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Finding the Third Proportional to 641,563.50 and 896,941.50

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Solution

The third proportional to 641,563.50 and 896,941.50 is: 1,253,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,563.50 : 896,941.50 = 896,941.50 : x
  2. Step 2: Convert to fraction form
    641,563.50/896,941.50 = 896,941.50/x
  3. Step 3: Cross multiply
    641,563.50x = 896,941.50 × 896,941.50
  4. Step 4: Simplify right side
    641,563.50x = 804,504,054,422.25
  5. Step 5: Solve for x
    x = 804,504,054,422.25/641,563.50
  6. Step 6: Final answer
    x = 1,253,974.17

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.