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Finding the Third Proportional to 28,919 and 63,373

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Solution

The third proportional to 28,919 and 63,373 is: 138,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919 : 63,373 = 63,373 : x
  2. Step 2: Convert to fraction form
    28,919/63,373 = 63,373/x
  3. Step 3: Cross multiply
    28,919x = 63,373 × 63,373
  4. Step 4: Simplify right side
    28,919x = 4,016,137,129
  5. Step 5: Solve for x
    x = 4,016,137,129/28,919
  6. Step 6: Final answer
    x = 138,875.38

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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.