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Finding the Third Proportional to 12,507,056.44 and 18,686,959.88

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Solution

The third proportional to 12,507,056.44 and 18,686,959.88 is: 27,920,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,056.44 : 18,686,959.88 = 18,686,959.88 : x
  2. Step 2: Convert to fraction form
    12,507,056.44/18,686,959.88 = 18,686,959.88/x
  3. Step 3: Cross multiply
    12,507,056.44x = 18,686,959.88 × 18,686,959.88
  4. Step 4: Simplify right side
    12,507,056.44x = 349,202,469,369,860
  5. Step 5: Solve for x
    x = 349,202,469,369,860/12,507,056.44
  6. Step 6: Final answer
    x = 27,920,436.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.