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Finding the Third Proportional to 215,238.75 and 335,160

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Solution

The third proportional to 215,238.75 and 335,160 is: 521,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,238.75 : 335,160 = 335,160 : x
  2. Step 2: Convert to fraction form
    215,238.75/335,160 = 335,160/x
  3. Step 3: Cross multiply
    215,238.75x = 335,160 × 335,160
  4. Step 4: Simplify right side
    215,238.75x = 112,332,225,600
  5. Step 5: Solve for x
    x = 112,332,225,600/215,238.75
  6. Step 6: Final answer
    x = 521,895.92

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.