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Finding the Third Proportional to 38,120.63 and 58,909.13

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Solution

The third proportional to 38,120.63 and 58,909.13 is: 91,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.63 : 58,909.13 = 58,909.13 : x
  2. Step 2: Convert to fraction form
    38,120.63/58,909.13 = 58,909.13/x
  3. Step 3: Cross multiply
    38,120.63x = 58,909.13 × 58,909.13
  4. Step 4: Simplify right side
    38,120.63x = 3,470,285,008.27
  5. Step 5: Solve for x
    x = 3,470,285,008.27/38,120.63
  6. Step 6: Final answer
    x = 91,034.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.