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Finding the Third Proportional to 891,340.50 and 1,921,281

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Solution

The third proportional to 891,340.50 and 1,921,281 is: 4,141,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,340.50 : 1,921,281 = 1,921,281 : x
  2. Step 2: Convert to fraction form
    891,340.50/1,921,281 = 1,921,281/x
  3. Step 3: Cross multiply
    891,340.50x = 1,921,281 × 1,921,281
  4. Step 4: Simplify right side
    891,340.50x = 3,691,320,680,961
  5. Step 5: Solve for x
    x = 3,691,320,680,961/891,340.50
  6. Step 6: Final answer
    x = 4,141,313.76

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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.