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Finding the Third Proportional to 75,666.75 and 106,044.94

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Solution

The third proportional to 75,666.75 and 106,044.94 is: 148,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.75 : 106,044.94 = 106,044.94 : x
  2. Step 2: Convert to fraction form
    75,666.75/106,044.94 = 106,044.94/x
  3. Step 3: Cross multiply
    75,666.75x = 106,044.94 × 106,044.94
  4. Step 4: Simplify right side
    75,666.75x = 11,245,528,769.38
  5. Step 5: Solve for x
    x = 11,245,528,769.38/75,666.75
  6. Step 6: Final answer
    x = 148,619.16

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.