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Finding the Third Proportional to 7,371,963.56 and 11,539,200.09

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Solution

The third proportional to 7,371,963.56 and 11,539,200.09 is: 18,062,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371,963.56 : 11,539,200.09 = 11,539,200.09 : x
  2. Step 2: Convert to fraction form
    7,371,963.56/11,539,200.09 = 11,539,200.09/x
  3. Step 3: Cross multiply
    7,371,963.56x = 11,539,200.09 × 11,539,200.09
  4. Step 4: Simplify right side
    7,371,963.56x = 133,153,138,803,600.02
  5. Step 5: Solve for x
    x = 133,153,138,803,600.02/7,371,963.56
  6. Step 6: Final answer
    x = 18,062,099.42

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.