Home / 331,314-715,522

Finding the Third Proportional to 331,314 and 715,522

Calculator

Solution

The third proportional to 331,314 and 715,522 is: 1,545,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,314 : 715,522 = 715,522 : x
  2. Step 2: Convert to fraction form
    331,314/715,522 = 715,522/x
  3. Step 3: Cross multiply
    331,314x = 715,522 × 715,522
  4. Step 4: Simplify right side
    331,314x = 511,971,732,484
  5. Step 5: Solve for x
    x = 511,971,732,484/331,314
  6. Step 6: Final answer
    x = 1,545,276.48

Related Problems

Find third proportional to 165,657 and 357,761
Half scale
Find third proportional to 662,628 and 1,431,044
Double scale
Find third proportional to 331,316 and 715,526
Similar ratio
Find third proportional to 496,971 and 1,073,283
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.