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Finding the Third Proportional to 10,017,290 and 15,027,987

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Solution

The third proportional to 10,017,290 and 15,027,987 is: 22,545,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017,290 : 15,027,987 = 15,027,987 : x
  2. Step 2: Convert to fraction form
    10,017,290/15,027,987 = 15,027,987/x
  3. Step 3: Cross multiply
    10,017,290x = 15,027,987 × 15,027,987
  4. Step 4: Simplify right side
    10,017,290x = 225,840,393,272,169
  5. Step 5: Solve for x
    x = 225,840,393,272,169/10,017,290
  6. Step 6: Final answer
    x = 22,545,058.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.