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Finding the Third Proportional to 871,314.75 and 1,887,381

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Solution

The third proportional to 871,314.75 and 1,887,381 is: 4,088,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,314.75 : 1,887,381 = 1,887,381 : x
  2. Step 2: Convert to fraction form
    871,314.75/1,887,381 = 1,887,381/x
  3. Step 3: Cross multiply
    871,314.75x = 1,887,381 × 1,887,381
  4. Step 4: Simplify right side
    871,314.75x = 3,562,207,039,161
  5. Step 5: Solve for x
    x = 3,562,207,039,161/871,314.75
  6. Step 6: Final answer
    x = 4,088,312.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.