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Finding the Third Proportional to 86,274.56 and 176,731.88

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Solution

The third proportional to 86,274.56 and 176,731.88 is: 362,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,274.56 : 176,731.88 = 176,731.88 : x
  2. Step 2: Convert to fraction form
    86,274.56/176,731.88 = 176,731.88/x
  3. Step 3: Cross multiply
    86,274.56x = 176,731.88 × 176,731.88
  4. Step 4: Simplify right side
    86,274.56x = 31,234,155,641.02
  5. Step 5: Solve for x
    x = 31,234,155,641.02/86,274.56
  6. Step 6: Final answer
    x = 362,032.04

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.