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Finding the Third Proportional to 1,808,468.02 and 3,900,877.73

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Solution

The third proportional to 1,808,468.02 and 3,900,877.73 is: 8,414,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,468.02 : 3,900,877.73 = 3,900,877.73 : x
  2. Step 2: Convert to fraction form
    1,808,468.02/3,900,877.73 = 3,900,877.73/x
  3. Step 3: Cross multiply
    1,808,468.02x = 3,900,877.73 × 3,900,877.73
  4. Step 4: Simplify right side
    1,808,468.02x = 15,216,847,098,542.63
  5. Step 5: Solve for x
    x = 15,216,847,098,542.63/1,808,468.02
  6. Step 6: Final answer
    x = 8,414,219.64

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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.