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Finding the Third Proportional to 18,677,280 and 40,897,500

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Solution

The third proportional to 18,677,280 and 40,897,500 is: 89,552,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,280 : 40,897,500 = 40,897,500 : x
  2. Step 2: Convert to fraction form
    18,677,280/40,897,500 = 40,897,500/x
  3. Step 3: Cross multiply
    18,677,280x = 40,897,500 × 40,897,500
  4. Step 4: Simplify right side
    18,677,280x = 1,672,605,506,250,000
  5. Step 5: Solve for x
    x = 1,672,605,506,250,000/18,677,280
  6. Step 6: Final answer
    x = 89,552,949.16

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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.