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Finding the Third Proportional to 197,959.50 and 432,217.50

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Solution

The third proportional to 197,959.50 and 432,217.50 is: 943,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,959.50 : 432,217.50 = 432,217.50 : x
  2. Step 2: Convert to fraction form
    197,959.50/432,217.50 = 432,217.50/x
  3. Step 3: Cross multiply
    197,959.50x = 432,217.50 × 432,217.50
  4. Step 4: Simplify right side
    197,959.50x = 186,811,967,306.25
  5. Step 5: Solve for x
    x = 186,811,967,306.25/197,959.50
  6. Step 6: Final answer
    x = 943,687.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.