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Finding the Third Proportional to 49,178,592 and 79,016,688

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Solution

The third proportional to 49,178,592 and 79,016,688 is: 126,958,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178,592 : 79,016,688 = 79,016,688 : x
  2. Step 2: Convert to fraction form
    49,178,592/79,016,688 = 79,016,688/x
  3. Step 3: Cross multiply
    49,178,592x = 79,016,688 × 79,016,688
  4. Step 4: Simplify right side
    49,178,592x = 6,243,636,982,489,344
  5. Step 5: Solve for x
    x = 6,243,636,982,489,344/49,178,592
  6. Step 6: Final answer
    x = 126,958,433.10

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.