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Finding the Third Proportional to 3,472,557.75 and 7,478,468.44

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Solution

The third proportional to 3,472,557.75 and 7,478,468.44 is: 16,105,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,557.75 : 7,478,468.44 = 7,478,468.44 : x
  2. Step 2: Convert to fraction form
    3,472,557.75/7,478,468.44 = 7,478,468.44/x
  3. Step 3: Cross multiply
    3,472,557.75x = 7,478,468.44 × 7,478,468.44
  4. Step 4: Simplify right side
    3,472,557.75x = 55,927,490,170,683.69
  5. Step 5: Solve for x
    x = 55,927,490,170,683.69/3,472,557.75
  6. Step 6: Final answer
    x = 16,105,560.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.