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Finding the Third Proportional to 954.50 and 1,431.25

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Solution

The third proportional to 954.50 and 1,431.25 is: 2,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.50 : 1,431.25 = 1,431.25 : x
  2. Step 2: Convert to fraction form
    954.50/1,431.25 = 1,431.25/x
  3. Step 3: Cross multiply
    954.50x = 1,431.25 × 1,431.25
  4. Step 4: Simplify right side
    954.50x = 2,048,476.56
  5. Step 5: Solve for x
    x = 2,048,476.56/954.50
  6. Step 6: Final answer
    x = 2,146.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.