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Finding the Third Proportional to 85,248.70 and 124,124.91

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Solution

The third proportional to 85,248.70 and 124,124.91 is: 180,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248.70 : 124,124.91 = 124,124.91 : x
  2. Step 2: Convert to fraction form
    85,248.70/124,124.91 = 124,124.91/x
  3. Step 3: Cross multiply
    85,248.70x = 124,124.91 × 124,124.91
  4. Step 4: Simplify right side
    85,248.70x = 15,406,992,351.57
  5. Step 5: Solve for x
    x = 15,406,992,351.57/85,248.70
  6. Step 6: Final answer
    x = 180,729.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.