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Finding the Third Proportional to 3,439,721.50 and 7,418,051

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Solution

The third proportional to 3,439,721.50 and 7,418,051 is: 15,997,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,721.50 : 7,418,051 = 7,418,051 : x
  2. Step 2: Convert to fraction form
    3,439,721.50/7,418,051 = 7,418,051/x
  3. Step 3: Cross multiply
    3,439,721.50x = 7,418,051 × 7,418,051
  4. Step 4: Simplify right side
    3,439,721.50x = 55,027,480,638,601
  5. Step 5: Solve for x
    x = 55,027,480,638,601/3,439,721.50
  6. Step 6: Final answer
    x = 15,997,655.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.