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Finding the Third Proportional to 89,523 and 136,876.50

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Solution

The third proportional to 89,523 and 136,876.50 is: 209,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,523 : 136,876.50 = 136,876.50 : x
  2. Step 2: Convert to fraction form
    89,523/136,876.50 = 136,876.50/x
  3. Step 3: Cross multiply
    89,523x = 136,876.50 × 136,876.50
  4. Step 4: Simplify right side
    89,523x = 18,735,176,252.25
  5. Step 5: Solve for x
    x = 18,735,176,252.25/89,523
  6. Step 6: Final answer
    x = 209,277.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.