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Finding the Third Proportional to 132,436.13 and 288,515.25

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Solution

The third proportional to 132,436.13 and 288,515.25 is: 628,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,436.13 : 288,515.25 = 288,515.25 : x
  2. Step 2: Convert to fraction form
    132,436.13/288,515.25 = 288,515.25/x
  3. Step 3: Cross multiply
    132,436.13x = 288,515.25 × 288,515.25
  4. Step 4: Simplify right side
    132,436.13x = 83,241,049,482.56
  5. Step 5: Solve for x
    x = 83,241,049,482.56/132,436.13
  6. Step 6: Final answer
    x = 628,537.34

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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.