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Finding the Third Proportional to 77,568.38 and 118,607.63

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Solution

The third proportional to 77,568.38 and 118,607.63 is: 181,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,568.38 : 118,607.63 = 118,607.63 : x
  2. Step 2: Convert to fraction form
    77,568.38/118,607.63 = 118,607.63/x
  3. Step 3: Cross multiply
    77,568.38x = 118,607.63 × 118,607.63
  4. Step 4: Simplify right side
    77,568.38x = 14,067,768,708.14
  5. Step 5: Solve for x
    x = 14,067,768,708.14/77,568.38
  6. Step 6: Final answer
    x = 181,359.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.