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Finding the Third Proportional to 18,982,960 and 40,656,160

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Solution

The third proportional to 18,982,960 and 40,656,160 is: 87,074,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,960 : 40,656,160 = 40,656,160 : x
  2. Step 2: Convert to fraction form
    18,982,960/40,656,160 = 40,656,160/x
  3. Step 3: Cross multiply
    18,982,960x = 40,656,160 × 40,656,160
  4. Step 4: Simplify right side
    18,982,960x = 1,652,923,345,945,600
  5. Step 5: Solve for x
    x = 1,652,923,345,945,600/18,982,960
  6. Step 6: Final answer
    x = 87,074,057.26

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.