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Finding the Third Proportional to 12,156.75 and 25,160.63

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Solution

The third proportional to 12,156.75 and 25,160.63 is: 52,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.75 : 25,160.63 = 25,160.63 : x
  2. Step 2: Convert to fraction form
    12,156.75/25,160.63 = 25,160.63/x
  3. Step 3: Cross multiply
    12,156.75x = 25,160.63 × 25,160.63
  4. Step 4: Simplify right side
    12,156.75x = 633,057,050.39
  5. Step 5: Solve for x
    x = 633,057,050.39/12,156.75
  6. Step 6: Final answer
    x = 52,074.53

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.