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Finding the Third Proportional to 115,068 and 155,464

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Solution

The third proportional to 115,068 and 155,464 is: 210,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,068 : 155,464 = 155,464 : x
  2. Step 2: Convert to fraction form
    115,068/155,464 = 155,464/x
  3. Step 3: Cross multiply
    115,068x = 155,464 × 155,464
  4. Step 4: Simplify right side
    115,068x = 24,169,055,296
  5. Step 5: Solve for x
    x = 24,169,055,296/115,068
  6. Step 6: Final answer
    x = 210,041.50

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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.