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Finding the Third Proportional to 77,668.88 and 113,951.81

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Solution

The third proportional to 77,668.88 and 113,951.81 is: 167,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,668.88 : 113,951.81 = 113,951.81 : x
  2. Step 2: Convert to fraction form
    77,668.88/113,951.81 = 113,951.81/x
  3. Step 3: Cross multiply
    77,668.88x = 113,951.81 × 113,951.81
  4. Step 4: Simplify right side
    77,668.88x = 12,985,015,572.04
  5. Step 5: Solve for x
    x = 12,985,015,572.04/77,668.88
  6. Step 6: Final answer
    x = 167,184.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.