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Finding the Third Proportional to 119,687.63 and 185,579.86

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Solution

The third proportional to 119,687.63 and 185,579.86 is: 287,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,687.63 : 185,579.86 = 185,579.86 : x
  2. Step 2: Convert to fraction form
    119,687.63/185,579.86 = 185,579.86/x
  3. Step 3: Cross multiply
    119,687.63x = 185,579.86 × 185,579.86
  4. Step 4: Simplify right side
    119,687.63x = 34,439,884,205.64
  5. Step 5: Solve for x
    x = 34,439,884,205.64/119,687.63
  6. Step 6: Final answer
    x = 287,748.08

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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.