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Finding the Third Proportional to 891,369 and 1,921,337

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Solution

The third proportional to 891,369 and 1,921,337 is: 4,141,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,369 : 1,921,337 = 1,921,337 : x
  2. Step 2: Convert to fraction form
    891,369/1,921,337 = 1,921,337/x
  3. Step 3: Cross multiply
    891,369x = 1,921,337 × 1,921,337
  4. Step 4: Simplify right side
    891,369x = 3,691,535,867,569
  5. Step 5: Solve for x
    x = 3,691,535,867,569/891,369
  6. Step 6: Final answer
    x = 4,141,422.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.