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Finding the Third Proportional to 76,806 and 119,251.50

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Solution

The third proportional to 76,806 and 119,251.50 is: 185,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806 : 119,251.50 = 119,251.50 : x
  2. Step 2: Convert to fraction form
    76,806/119,251.50 = 119,251.50/x
  3. Step 3: Cross multiply
    76,806x = 119,251.50 × 119,251.50
  4. Step 4: Simplify right side
    76,806x = 14,220,920,252.25
  5. Step 5: Solve for x
    x = 14,220,920,252.25/76,806
  6. Step 6: Final answer
    x = 185,153.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.