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Finding the Third Proportional to 138,947.63 and 282,805.88

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Solution

The third proportional to 138,947.63 and 282,805.88 is: 575,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,947.63 : 282,805.88 = 282,805.88 : x
  2. Step 2: Convert to fraction form
    138,947.63/282,805.88 = 282,805.88/x
  3. Step 3: Cross multiply
    138,947.63x = 282,805.88 × 282,805.88
  4. Step 4: Simplify right side
    138,947.63x = 79,979,162,934.52
  5. Step 5: Solve for x
    x = 79,979,162,934.52/138,947.63
  6. Step 6: Final answer
    x = 575,606.55

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.