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Finding the Third Proportional to 75,470 and 113,392

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Solution

The third proportional to 75,470 and 113,392 is: 170,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,470 : 113,392 = 113,392 : x
  2. Step 2: Convert to fraction form
    75,470/113,392 = 113,392/x
  3. Step 3: Cross multiply
    75,470x = 113,392 × 113,392
  4. Step 4: Simplify right side
    75,470x = 12,857,745,664
  5. Step 5: Solve for x
    x = 12,857,745,664/75,470
  6. Step 6: Final answer
    x = 170,368.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.