Home / 260,435-391,346

Finding the Third Proportional to 260,435 and 391,346

Calculator

Solution

The third proportional to 260,435 and 391,346 is: 588,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,435 : 391,346 = 391,346 : x
  2. Step 2: Convert to fraction form
    260,435/391,346 = 391,346/x
  3. Step 3: Cross multiply
    260,435x = 391,346 × 391,346
  4. Step 4: Simplify right side
    260,435x = 153,151,691,716
  5. Step 5: Solve for x
    x = 153,151,691,716/260,435
  6. Step 6: Final answer
    x = 588,061.10

Related Problems

Find third proportional to 130,217.50 and 195,673
Half scale
Find third proportional to 520,870 and 782,692
Double scale
Find third proportional to 260,437 and 391,349
Similar ratio
Find third proportional to 390,652.50 and 587,019
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.