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Finding the Third Proportional to 89,816.63 and 124,881.47

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Solution

The third proportional to 89,816.63 and 124,881.47 is: 173,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.63 : 124,881.47 = 124,881.47 : x
  2. Step 2: Convert to fraction form
    89,816.63/124,881.47 = 124,881.47/x
  3. Step 3: Cross multiply
    89,816.63x = 124,881.47 × 124,881.47
  4. Step 4: Simplify right side
    89,816.63x = 15,595,381,237.16
  5. Step 5: Solve for x
    x = 15,595,381,237.16/89,816.63
  6. Step 6: Final answer
    x = 173,635.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.