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Finding the Third Proportional to 79,125,156 and 166,752,072

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Solution

The third proportional to 79,125,156 and 166,752,072 is: 351,421,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125,156 : 166,752,072 = 166,752,072 : x
  2. Step 2: Convert to fraction form
    79,125,156/166,752,072 = 166,752,072/x
  3. Step 3: Cross multiply
    79,125,156x = 166,752,072 × 166,752,072
  4. Step 4: Simplify right side
    79,125,156x = 27,806,253,516,293,184
  5. Step 5: Solve for x
    x = 27,806,253,516,293,184/79,125,156
  6. Step 6: Final answer
    x = 351,421,152.54

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.