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Finding the Third Proportional to 424,064.25 and 914,557.50

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Solution

The third proportional to 424,064.25 and 914,557.50 is: 1,972,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,064.25 : 914,557.50 = 914,557.50 : x
  2. Step 2: Convert to fraction form
    424,064.25/914,557.50 = 914,557.50/x
  3. Step 3: Cross multiply
    424,064.25x = 914,557.50 × 914,557.50
  4. Step 4: Simplify right side
    424,064.25x = 836,415,420,806.25
  5. Step 5: Solve for x
    x = 836,415,420,806.25/424,064.25
  6. Step 6: Final answer
    x = 1,972,379.00

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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.