Home / 231,787-358,706

Finding the Third Proportional to 231,787 and 358,706

Calculator

Solution

The third proportional to 231,787 and 358,706 is: 555,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787 : 358,706 = 358,706 : x
  2. Step 2: Convert to fraction form
    231,787/358,706 = 358,706/x
  3. Step 3: Cross multiply
    231,787x = 358,706 × 358,706
  4. Step 4: Simplify right side
    231,787x = 128,669,994,436
  5. Step 5: Solve for x
    x = 128,669,994,436/231,787
  6. Step 6: Final answer
    x = 555,121.70

Related Problems

Find third proportional to 115,893.50 and 179,353
Half scale
Find third proportional to 463,574 and 717,412
Double scale
Find third proportional to 231,789 and 358,709
Similar ratio
Find third proportional to 347,680.50 and 538,059
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.