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Finding the Third Proportional to 871,229 and 1,887,230

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Solution

The third proportional to 871,229 and 1,887,230 is: 4,088,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,229 : 1,887,230 = 1,887,230 : x
  2. Step 2: Convert to fraction form
    871,229/1,887,230 = 1,887,230/x
  3. Step 3: Cross multiply
    871,229x = 1,887,230 × 1,887,230
  4. Step 4: Simplify right side
    871,229x = 3,561,637,072,900
  5. Step 5: Solve for x
    x = 3,561,637,072,900/871,229
  6. Step 6: Final answer
    x = 4,088,060.74

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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.