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Finding the Third Proportional to 2,068,729.88 and 4,386,251.25

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Solution

The third proportional to 2,068,729.88 and 4,386,251.25 is: 9,300,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,729.88 : 4,386,251.25 = 4,386,251.25 : x
  2. Step 2: Convert to fraction form
    2,068,729.88/4,386,251.25 = 4,386,251.25/x
  3. Step 3: Cross multiply
    2,068,729.88x = 4,386,251.25 × 4,386,251.25
  4. Step 4: Simplify right side
    2,068,729.88x = 19,239,200,028,126.56
  5. Step 5: Solve for x
    x = 19,239,200,028,126.56/2,068,729.88
  6. Step 6: Final answer
    x = 9,300,005.89

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.