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Finding the Third Proportional to 891,387 and 1,341,317

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Solution

The third proportional to 891,387 and 1,341,317 is: 2,018,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,387 : 1,341,317 = 1,341,317 : x
  2. Step 2: Convert to fraction form
    891,387/1,341,317 = 1,341,317/x
  3. Step 3: Cross multiply
    891,387x = 1,341,317 × 1,341,317
  4. Step 4: Simplify right side
    891,387x = 1,799,131,294,489
  5. Step 5: Solve for x
    x = 1,799,131,294,489/891,387
  6. Step 6: Final answer
    x = 2,018,350.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.