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Finding the Third Proportional to 115,056 and 155,448

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Solution

The third proportional to 115,056 and 155,448 is: 210,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,056 : 155,448 = 155,448 : x
  2. Step 2: Convert to fraction form
    115,056/155,448 = 155,448/x
  3. Step 3: Cross multiply
    115,056x = 155,448 × 155,448
  4. Step 4: Simplify right side
    115,056x = 24,164,080,704
  5. Step 5: Solve for x
    x = 24,164,080,704/115,056
  6. Step 6: Final answer
    x = 210,020.17

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.