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Finding the Third Proportional to 1,874,805.75 and 4,488,954.19

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Solution

The third proportional to 1,874,805.75 and 4,488,954.19 is: 10,748,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,805.75 : 4,488,954.19 = 4,488,954.19 : x
  2. Step 2: Convert to fraction form
    1,874,805.75/4,488,954.19 = 4,488,954.19/x
  3. Step 3: Cross multiply
    1,874,805.75x = 4,488,954.19 × 4,488,954.19
  4. Step 4: Simplify right side
    1,874,805.75x = 20,150,709,697,473.79
  5. Step 5: Solve for x
    x = 20,150,709,697,473.79/1,874,805.75
  6. Step 6: Final answer
    x = 10,748,158.68

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.