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Finding the Third Proportional to 8,177,490 and 17,840,330

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Solution

The third proportional to 8,177,490 and 17,840,330 is: 38,921,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177,490 : 17,840,330 = 17,840,330 : x
  2. Step 2: Convert to fraction form
    8,177,490/17,840,330 = 17,840,330/x
  3. Step 3: Cross multiply
    8,177,490x = 17,840,330 × 17,840,330
  4. Step 4: Simplify right side
    8,177,490x = 318,277,374,508,900
  5. Step 5: Solve for x
    x = 318,277,374,508,900/8,177,490
  6. Step 6: Final answer
    x = 38,921,157.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.