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Finding the Third Proportional to 2,216,617.88 and 4,775,180.63

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Solution

The third proportional to 2,216,617.88 and 4,775,180.63 is: 10,287,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,617.88 : 4,775,180.63 = 4,775,180.63 : x
  2. Step 2: Convert to fraction form
    2,216,617.88/4,775,180.63 = 4,775,180.63/x
  3. Step 3: Cross multiply
    2,216,617.88x = 4,775,180.63 × 4,775,180.63
  4. Step 4: Simplify right side
    2,216,617.88x = 22,802,350,001,375.39
  5. Step 5: Solve for x
    x = 22,802,350,001,375.39/2,216,617.88
  6. Step 6: Final answer
    x = 10,287,000.87

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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.