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Finding the Third Proportional to 4,785,379.88 and 7,181,569.88

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Solution

The third proportional to 4,785,379.88 and 7,181,569.88 is: 10,777,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,379.88 : 7,181,569.88 = 7,181,569.88 : x
  2. Step 2: Convert to fraction form
    4,785,379.88/7,181,569.88 = 7,181,569.88/x
  3. Step 3: Cross multiply
    4,785,379.88x = 7,181,569.88 × 7,181,569.88
  4. Step 4: Simplify right side
    4,785,379.88x = 51,574,945,869,507.52
  5. Step 5: Solve for x
    x = 51,574,945,869,507.52/4,785,379.88
  6. Step 6: Final answer
    x = 10,777,607.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.