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Finding the Third Proportional to 56,246.91 and 90,247.92

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Solution

The third proportional to 56,246.91 and 90,247.92 is: 144,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,246.91 : 90,247.92 = 90,247.92 : x
  2. Step 2: Convert to fraction form
    56,246.91/90,247.92 = 90,247.92/x
  3. Step 3: Cross multiply
    56,246.91x = 90,247.92 × 90,247.92
  4. Step 4: Simplify right side
    56,246.91x = 8,144,687,402.76
  5. Step 5: Solve for x
    x = 8,144,687,402.76/56,246.91
  6. Step 6: Final answer
    x = 144,802.41

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.