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Finding the Third Proportional to 871,263 and 1,887,324

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Solution

The third proportional to 871,263 and 1,887,324 is: 4,088,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,263 : 1,887,324 = 1,887,324 : x
  2. Step 2: Convert to fraction form
    871,263/1,887,324 = 1,887,324/x
  3. Step 3: Cross multiply
    871,263x = 1,887,324 × 1,887,324
  4. Step 4: Simplify right side
    871,263x = 3,561,991,880,976
  5. Step 5: Solve for x
    x = 3,561,991,880,976/871,263
  6. Step 6: Final answer
    x = 4,088,308.45

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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.