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Finding the Third Proportional to 115,063 and 155,458

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Solution

The third proportional to 115,063 and 155,458 is: 210,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,063 : 155,458 = 155,458 : x
  2. Step 2: Convert to fraction form
    115,063/155,458 = 155,458/x
  3. Step 3: Cross multiply
    115,063x = 155,458 × 155,458
  4. Step 4: Simplify right side
    115,063x = 24,167,189,764
  5. Step 5: Solve for x
    x = 24,167,189,764/115,063
  6. Step 6: Final answer
    x = 210,034.41

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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.