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Finding the Third Proportional to 112,572.28 and 171,180.84

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Solution

The third proportional to 112,572.28 and 171,180.84 is: 260,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,572.28 : 171,180.84 = 171,180.84 : x
  2. Step 2: Convert to fraction form
    112,572.28/171,180.84 = 171,180.84/x
  3. Step 3: Cross multiply
    112,572.28x = 171,180.84 × 171,180.84
  4. Step 4: Simplify right side
    112,572.28x = 29,302,881,266.96
  5. Step 5: Solve for x
    x = 29,302,881,266.96/112,572.28
  6. Step 6: Final answer
    x = 260,302.81

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.