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Finding the Third Proportional to 891,364.50 and 1,921,329

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Solution

The third proportional to 891,364.50 and 1,921,329 is: 4,141,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,364.50 : 1,921,329 = 1,921,329 : x
  2. Step 2: Convert to fraction form
    891,364.50/1,921,329 = 1,921,329/x
  3. Step 3: Cross multiply
    891,364.50x = 1,921,329 × 1,921,329
  4. Step 4: Simplify right side
    891,364.50x = 3,691,505,126,241
  5. Step 5: Solve for x
    x = 3,691,505,126,241/891,364.50
  6. Step 6: Final answer
    x = 4,141,409.18

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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.