Home / 70,278-152,313

Finding the Third Proportional to 70,278 and 152,313

Calculator

Solution

The third proportional to 70,278 and 152,313 is: 330,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,278 : 152,313 = 152,313 : x
  2. Step 2: Convert to fraction form
    70,278/152,313 = 152,313/x
  3. Step 3: Cross multiply
    70,278x = 152,313 × 152,313
  4. Step 4: Simplify right side
    70,278x = 23,199,249,969
  5. Step 5: Solve for x
    x = 23,199,249,969/70,278
  6. Step 6: Final answer
    x = 330,106.86

Related Problems

Find third proportional to 35,139 and 76,156.50
Half scale
Find third proportional to 140,556 and 304,626
Double scale
Find third proportional to 70,280 and 152,317
Similar ratio
Find third proportional to 105,417 and 228,469.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.