Home / 331,365-715,686

Finding the Third Proportional to 331,365 and 715,686

Calculator

Solution

The third proportional to 331,365 and 715,686 is: 1,545,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,365 : 715,686 = 715,686 : x
  2. Step 2: Convert to fraction form
    331,365/715,686 = 715,686/x
  3. Step 3: Cross multiply
    331,365x = 715,686 × 715,686
  4. Step 4: Simplify right side
    331,365x = 512,206,450,596
  5. Step 5: Solve for x
    x = 512,206,450,596/331,365
  6. Step 6: Final answer
    x = 1,545,746.99

Related Problems

Find third proportional to 165,682.50 and 357,843
Half scale
Find third proportional to 662,730 and 1,431,372
Double scale
Find third proportional to 331,367 and 715,690
Similar ratio
Find third proportional to 497,047.50 and 1,073,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.