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Finding the Third Proportional to 440,906.25 and 659,644.50

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Solution

The third proportional to 440,906.25 and 659,644.50 is: 986,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,906.25 : 659,644.50 = 659,644.50 : x
  2. Step 2: Convert to fraction form
    440,906.25/659,644.50 = 659,644.50/x
  3. Step 3: Cross multiply
    440,906.25x = 659,644.50 × 659,644.50
  4. Step 4: Simplify right side
    440,906.25x = 435,130,866,380.25
  5. Step 5: Solve for x
    x = 435,130,866,380.25/440,906.25
  6. Step 6: Final answer
    x = 986,901.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.