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Finding the Third Proportional to 2,020,291.88 and 4,488,987.38

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Solution

The third proportional to 2,020,291.88 and 4,488,987.38 is: 9,974,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,291.88 : 4,488,987.38 = 4,488,987.38 : x
  2. Step 2: Convert to fraction form
    2,020,291.88/4,488,987.38 = 4,488,987.38/x
  3. Step 3: Cross multiply
    2,020,291.88x = 4,488,987.38 × 4,488,987.38
  4. Step 4: Simplify right side
    2,020,291.88x = 20,151,007,652,909.39
  5. Step 5: Solve for x
    x = 20,151,007,652,909.39/2,020,291.88
  6. Step 6: Final answer
    x = 9,974,305.15

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.