Home / 687,081-1,465,455

Finding the Third Proportional to 687,081 and 1,465,455

Calculator

Solution

The third proportional to 687,081 and 1,465,455 is: 3,125,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,081 : 1,465,455 = 1,465,455 : x
  2. Step 2: Convert to fraction form
    687,081/1,465,455 = 1,465,455/x
  3. Step 3: Cross multiply
    687,081x = 1,465,455 × 1,465,455
  4. Step 4: Simplify right side
    687,081x = 2,147,558,357,025
  5. Step 5: Solve for x
    x = 2,147,558,357,025/687,081
  6. Step 6: Final answer
    x = 3,125,626.17

Related Problems

Find third proportional to 343,540.50 and 732,727.50
Half scale
Find third proportional to 1,374,162 and 2,930,910
Double scale
Find third proportional to 687,083 and 1,465,459
Similar ratio
Find third proportional to 1,030,621.50 and 2,198,182.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.