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Finding the Third Proportional to 720,351 and 1,545,669

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Solution

The third proportional to 720,351 and 1,545,669 is: 3,316,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,351 : 1,545,669 = 1,545,669 : x
  2. Step 2: Convert to fraction form
    720,351/1,545,669 = 1,545,669/x
  3. Step 3: Cross multiply
    720,351x = 1,545,669 × 1,545,669
  4. Step 4: Simplify right side
    720,351x = 2,389,092,657,561
  5. Step 5: Solve for x
    x = 2,389,092,657,561/720,351
  6. Step 6: Final answer
    x = 3,316,567.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.