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Finding the Third Proportional to 225,280.50 and 314,957.25

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Solution

The third proportional to 225,280.50 and 314,957.25 is: 440,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,280.50 : 314,957.25 = 314,957.25 : x
  2. Step 2: Convert to fraction form
    225,280.50/314,957.25 = 314,957.25/x
  3. Step 3: Cross multiply
    225,280.50x = 314,957.25 × 314,957.25
  4. Step 4: Simplify right side
    225,280.50x = 99,198,069,327.56
  5. Step 5: Solve for x
    x = 99,198,069,327.56/225,280.50
  6. Step 6: Final answer
    x = 440,331.36

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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.