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Finding the Third Proportional to 295,378.13 and 647,937.38

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Solution

The third proportional to 295,378.13 and 647,937.38 is: 1,421,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,378.13 : 647,937.38 = 647,937.38 : x
  2. Step 2: Convert to fraction form
    295,378.13/647,937.38 = 647,937.38/x
  3. Step 3: Cross multiply
    295,378.13x = 647,937.38 × 647,937.38
  4. Step 4: Simplify right side
    295,378.13x = 419,822,841,921.89
  5. Step 5: Solve for x
    x = 419,822,841,921.89/295,378.13
  6. Step 6: Final answer
    x = 1,421,306.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.