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Finding the Third Proportional to 55,824.75 and 84,246.75

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Solution

The third proportional to 55,824.75 and 84,246.75 is: 127,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,824.75 : 84,246.75 = 84,246.75 : x
  2. Step 2: Convert to fraction form
    55,824.75/84,246.75 = 84,246.75/x
  3. Step 3: Cross multiply
    55,824.75x = 84,246.75 × 84,246.75
  4. Step 4: Simplify right side
    55,824.75x = 7,097,514,885.56
  5. Step 5: Solve for x
    x = 7,097,514,885.56/55,824.75
  6. Step 6: Final answer
    x = 127,139.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.