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Finding the Third Proportional to 4,386,361.78 and 9,781,279.03

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Solution

The third proportional to 4,386,361.78 and 9,781,279.03 is: 21,811,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,361.78 : 9,781,279.03 = 9,781,279.03 : x
  2. Step 2: Convert to fraction form
    4,386,361.78/9,781,279.03 = 9,781,279.03/x
  3. Step 3: Cross multiply
    4,386,361.78x = 9,781,279.03 × 9,781,279.03
  4. Step 4: Simplify right side
    4,386,361.78x = 95,673,419,487,170.94
  5. Step 5: Solve for x
    x = 95,673,419,487,170.94/4,386,361.78
  6. Step 6: Final answer
    x = 21,811,566.00

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.