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Finding the Third Proportional to 89,435 and 125,340

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Solution

The third proportional to 89,435 and 125,340 is: 175,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,435 : 125,340 = 125,340 : x
  2. Step 2: Convert to fraction form
    89,435/125,340 = 125,340/x
  3. Step 3: Cross multiply
    89,435x = 125,340 × 125,340
  4. Step 4: Simplify right side
    89,435x = 15,710,115,600
  5. Step 5: Solve for x
    x = 15,710,115,600/89,435
  6. Step 6: Final answer
    x = 175,659.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.