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Finding the Third Proportional to 185,809.50 and 407,117

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Solution

The third proportional to 185,809.50 and 407,117 is: 892,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,809.50 : 407,117 = 407,117 : x
  2. Step 2: Convert to fraction form
    185,809.50/407,117 = 407,117/x
  3. Step 3: Cross multiply
    185,809.50x = 407,117 × 407,117
  4. Step 4: Simplify right side
    185,809.50x = 165,744,251,689
  5. Step 5: Solve for x
    x = 165,744,251,689/185,809.50
  6. Step 6: Final answer
    x = 892,011.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.