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Finding the Third Proportional to 119,648.50 and 261,030.75

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Solution

The third proportional to 119,648.50 and 261,030.75 is: 569,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,648.50 : 261,030.75 = 261,030.75 : x
  2. Step 2: Convert to fraction form
    119,648.50/261,030.75 = 261,030.75/x
  3. Step 3: Cross multiply
    119,648.50x = 261,030.75 × 261,030.75
  4. Step 4: Simplify right side
    119,648.50x = 68,137,052,445.56
  5. Step 5: Solve for x
    x = 68,137,052,445.56/119,648.50
  6. Step 6: Final answer
    x = 569,476.86

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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.