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Finding the Third Proportional to 55,154 and 115,708

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Solution

The third proportional to 55,154 and 115,708 is: 242,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154 : 115,708 = 115,708 : x
  2. Step 2: Convert to fraction form
    55,154/115,708 = 115,708/x
  3. Step 3: Cross multiply
    55,154x = 115,708 × 115,708
  4. Step 4: Simplify right side
    55,154x = 13,388,341,264
  5. Step 5: Solve for x
    x = 13,388,341,264/55,154
  6. Step 6: Final answer
    x = 242,744.70

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.