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Finding the Third Proportional to 868,437 and 1,885,419

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Solution

The third proportional to 868,437 and 1,885,419 is: 4,093,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,437 : 1,885,419 = 1,885,419 : x
  2. Step 2: Convert to fraction form
    868,437/1,885,419 = 1,885,419/x
  3. Step 3: Cross multiply
    868,437x = 1,885,419 × 1,885,419
  4. Step 4: Simplify right side
    868,437x = 3,554,804,805,561
  5. Step 5: Solve for x
    x = 3,554,804,805,561/868,437
  6. Step 6: Final answer
    x = 4,093,336.43

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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.