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Finding the Third Proportional to 18,679,904 and 40,548,280

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Solution

The third proportional to 18,679,904 and 40,548,280 is: 88,017,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,904 : 40,548,280 = 40,548,280 : x
  2. Step 2: Convert to fraction form
    18,679,904/40,548,280 = 40,548,280/x
  3. Step 3: Cross multiply
    18,679,904x = 40,548,280 × 40,548,280
  4. Step 4: Simplify right side
    18,679,904x = 1,644,163,010,958,400
  5. Step 5: Solve for x
    x = 1,644,163,010,958,400/18,679,904
  6. Step 6: Final answer
    x = 88,017,744.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.