Home / 242,877,960-355,207,920

Finding the Third Proportional to 242,877,960 and 355,207,920

Calculator

Solution

The third proportional to 242,877,960 and 355,207,920 is: 519,489,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,877,960 : 355,207,920 = 355,207,920 : x
  2. Step 2: Convert to fraction form
    242,877,960/355,207,920 = 355,207,920/x
  3. Step 3: Cross multiply
    242,877,960x = 355,207,920 × 355,207,920
  4. Step 4: Simplify right side
    242,877,960x = 126,172,666,430,726,400
  5. Step 5: Solve for x
    x = 126,172,666,430,726,400/242,877,960
  6. Step 6: Final answer
    x = 519,489,979.37

Related Problems

Find third proportional to 121,438,980 and 177,603,960
Half scale
Find third proportional to 485,755,920 and 710,415,840
Double scale
Find third proportional to 242,877,962 and 355,207,923
Similar ratio
Find third proportional to 364,316,940 and 532,811,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.