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Finding the Third Proportional to 296,167.50 and 639,616.50

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Solution

The third proportional to 296,167.50 and 639,616.50 is: 1,381,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,167.50 : 639,616.50 = 639,616.50 : x
  2. Step 2: Convert to fraction form
    296,167.50/639,616.50 = 639,616.50/x
  3. Step 3: Cross multiply
    296,167.50x = 639,616.50 × 639,616.50
  4. Step 4: Simplify right side
    296,167.50x = 409,109,267,072.25
  5. Step 5: Solve for x
    x = 409,109,267,072.25/296,167.50
  6. Step 6: Final answer
    x = 1,381,344.23

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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.