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Finding the Third Proportional to 221,756.50 and 347,470.25

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Solution

The third proportional to 221,756.50 and 347,470.25 is: 544,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,756.50 : 347,470.25 = 347,470.25 : x
  2. Step 2: Convert to fraction form
    221,756.50/347,470.25 = 347,470.25/x
  3. Step 3: Cross multiply
    221,756.50x = 347,470.25 × 347,470.25
  4. Step 4: Simplify right side
    221,756.50x = 120,735,574,635.06
  5. Step 5: Solve for x
    x = 120,735,574,635.06/221,756.50
  6. Step 6: Final answer
    x = 544,451.12

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.