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Finding the Third Proportional to 58,308.19 and 126,987.19

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Solution

The third proportional to 58,308.19 and 126,987.19 is: 276,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,308.19 : 126,987.19 = 126,987.19 : x
  2. Step 2: Convert to fraction form
    58,308.19/126,987.19 = 126,987.19/x
  3. Step 3: Cross multiply
    58,308.19x = 126,987.19 × 126,987.19
  4. Step 4: Simplify right side
    58,308.19x = 16,125,745,789.16
  5. Step 5: Solve for x
    x = 16,125,745,789.16/58,308.19
  6. Step 6: Final answer
    x = 276,560.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.