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Finding the Third Proportional to 331,350 and 715,574

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Solution

The third proportional to 331,350 and 715,574 is: 1,545,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,350 : 715,574 = 715,574 : x
  2. Step 2: Convert to fraction form
    331,350/715,574 = 715,574/x
  3. Step 3: Cross multiply
    331,350x = 715,574 × 715,574
  4. Step 4: Simplify right side
    331,350x = 512,046,149,476
  5. Step 5: Solve for x
    x = 512,046,149,476/331,350
  6. Step 6: Final answer
    x = 1,545,333.18

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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.