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Finding the Third Proportional to 107,221.50 and 235,461

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Solution

The third proportional to 107,221.50 and 235,461 is: 517,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,221.50 : 235,461 = 235,461 : x
  2. Step 2: Convert to fraction form
    107,221.50/235,461 = 235,461/x
  3. Step 3: Cross multiply
    107,221.50x = 235,461 × 235,461
  4. Step 4: Simplify right side
    107,221.50x = 55,441,882,521
  5. Step 5: Solve for x
    x = 55,441,882,521/107,221.50
  6. Step 6: Final answer
    x = 517,078.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.