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Finding the Third Proportional to 1,871,781.50 and 4,027,281

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Solution

The third proportional to 1,871,781.50 and 4,027,281 is: 8,665,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,781.50 : 4,027,281 = 4,027,281 : x
  2. Step 2: Convert to fraction form
    1,871,781.50/4,027,281 = 4,027,281/x
  3. Step 3: Cross multiply
    1,871,781.50x = 4,027,281 × 4,027,281
  4. Step 4: Simplify right side
    1,871,781.50x = 16,218,992,252,961
  5. Step 5: Solve for x
    x = 16,218,992,252,961/1,871,781.50
  6. Step 6: Final answer
    x = 8,665,002.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.