Home / 517,572-712,710

Finding the Third Proportional to 517,572 and 712,710

Calculator

Solution

The third proportional to 517,572 and 712,710 is: 981,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,572 : 712,710 = 712,710 : x
  2. Step 2: Convert to fraction form
    517,572/712,710 = 712,710/x
  3. Step 3: Cross multiply
    517,572x = 712,710 × 712,710
  4. Step 4: Simplify right side
    517,572x = 507,955,544,100
  5. Step 5: Solve for x
    x = 507,955,544,100/517,572
  6. Step 6: Final answer
    x = 981,420.06

Related Problems

Find third proportional to 258,786 and 356,355
Half scale
Find third proportional to 1,035,144 and 1,425,420
Double scale
Find third proportional to 517,574 and 712,713
Similar ratio
Find third proportional to 776,358 and 1,069,065
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.