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Finding the Third Proportional to 432 and 948.38

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Solution

The third proportional to 432 and 948.38 is: 2,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432 : 948.38 = 948.38 : x
  2. Step 2: Convert to fraction form
    432/948.38 = 948.38/x
  3. Step 3: Cross multiply
    432x = 948.38 × 948.38
  4. Step 4: Simplify right side
    432x = 899,415.14
  5. Step 5: Solve for x
    x = 899,415.14/432
  6. Step 6: Final answer
    x = 2,081.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.