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Finding the Third Proportional to 639,520.50 and 1,367,657

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Solution

The third proportional to 639,520.50 and 1,367,657 is: 2,924,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,520.50 : 1,367,657 = 1,367,657 : x
  2. Step 2: Convert to fraction form
    639,520.50/1,367,657 = 1,367,657/x
  3. Step 3: Cross multiply
    639,520.50x = 1,367,657 × 1,367,657
  4. Step 4: Simplify right side
    639,520.50x = 1,870,485,669,649
  5. Step 5: Solve for x
    x = 1,870,485,669,649/639,520.50
  6. Step 6: Final answer
    x = 2,924,825.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.