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Finding the Third Proportional to 7,157,718 and 10,840,822

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Solution

The third proportional to 7,157,718 and 10,840,822 is: 16,419,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,718 : 10,840,822 = 10,840,822 : x
  2. Step 2: Convert to fraction form
    7,157,718/10,840,822 = 10,840,822/x
  3. Step 3: Cross multiply
    7,157,718x = 10,840,822 × 10,840,822
  4. Step 4: Simplify right side
    7,157,718x = 117,523,421,635,684
  5. Step 5: Solve for x
    x = 117,523,421,635,684/7,157,718
  6. Step 6: Final answer
    x = 16,419,118.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.