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Finding the Third Proportional to 75,666 and 106,043.50

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Solution

The third proportional to 75,666 and 106,043.50 is: 148,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666 : 106,043.50 = 106,043.50 : x
  2. Step 2: Convert to fraction form
    75,666/106,043.50 = 106,043.50/x
  3. Step 3: Cross multiply
    75,666x = 106,043.50 × 106,043.50
  4. Step 4: Simplify right side
    75,666x = 11,245,223,892.25
  5. Step 5: Solve for x
    x = 11,245,223,892.25/75,666
  6. Step 6: Final answer
    x = 148,616.60

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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.