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Finding the Third Proportional to 75,482 and 102,153

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Solution

The third proportional to 75,482 and 102,153 is: 138,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482 : 102,153 = 102,153 : x
  2. Step 2: Convert to fraction form
    75,482/102,153 = 102,153/x
  3. Step 3: Cross multiply
    75,482x = 102,153 × 102,153
  4. Step 4: Simplify right side
    75,482x = 10,435,235,409
  5. Step 5: Solve for x
    x = 10,435,235,409/75,482
  6. Step 6: Final answer
    x = 138,248.00

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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.