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Finding the Third Proportional to 1,808,466 and 3,900,873.50

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Solution

The third proportional to 1,808,466 and 3,900,873.50 is: 8,414,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,466 : 3,900,873.50 = 3,900,873.50 : x
  2. Step 2: Convert to fraction form
    1,808,466/3,900,873.50 = 3,900,873.50/x
  3. Step 3: Cross multiply
    1,808,466x = 3,900,873.50 × 3,900,873.50
  4. Step 4: Simplify right side
    1,808,466x = 15,216,814,063,002.25
  5. Step 5: Solve for x
    x = 15,216,814,063,002.25/1,808,466
  6. Step 6: Final answer
    x = 8,414,210.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.