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Finding the Third Proportional to 2,187,600.75 and 3,151,101.38

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Solution

The third proportional to 2,187,600.75 and 3,151,101.38 is: 4,538,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,600.75 : 3,151,101.38 = 3,151,101.38 : x
  2. Step 2: Convert to fraction form
    2,187,600.75/3,151,101.38 = 3,151,101.38/x
  3. Step 3: Cross multiply
    2,187,600.75x = 3,151,101.38 × 3,151,101.38
  4. Step 4: Simplify right side
    2,187,600.75x = 9,929,439,875,526.89
  5. Step 5: Solve for x
    x = 9,929,439,875,526.89/2,187,600.75
  6. Step 6: Final answer
    x = 4,538,963.46

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.