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Finding the Third Proportional to 122,001 and 187,756.50

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Solution

The third proportional to 122,001 and 187,756.50 is: 288,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001 : 187,756.50 = 187,756.50 : x
  2. Step 2: Convert to fraction form
    122,001/187,756.50 = 187,756.50/x
  3. Step 3: Cross multiply
    122,001x = 187,756.50 × 187,756.50
  4. Step 4: Simplify right side
    122,001x = 35,252,503,292.25
  5. Step 5: Solve for x
    x = 35,252,503,292.25/122,001
  6. Step 6: Final answer
    x = 288,952.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.