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Finding the Third Proportional to 49,156 and 107,511

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Solution

The third proportional to 49,156 and 107,511 is: 235,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,156 : 107,511 = 107,511 : x
  2. Step 2: Convert to fraction form
    49,156/107,511 = 107,511/x
  3. Step 3: Cross multiply
    49,156x = 107,511 × 107,511
  4. Step 4: Simplify right side
    49,156x = 11,558,615,121
  5. Step 5: Solve for x
    x = 11,558,615,121/49,156
  6. Step 6: Final answer
    x = 235,141.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.