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Finding the Third Proportional to 138,641.63 and 283,854.38

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Solution

The third proportional to 138,641.63 and 283,854.38 is: 581,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,641.63 : 283,854.38 = 283,854.38 : x
  2. Step 2: Convert to fraction form
    138,641.63/283,854.38 = 283,854.38/x
  3. Step 3: Cross multiply
    138,641.63x = 283,854.38 × 283,854.38
  4. Step 4: Simplify right side
    138,641.63x = 80,573,306,206.64
  5. Step 5: Solve for x
    x = 80,573,306,206.64/138,641.63
  6. Step 6: Final answer
    x = 581,162.45

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.