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Finding the Third Proportional to 483.94 and 717.28

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Solution

The third proportional to 483.94 and 717.28 is: 1,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.94 : 717.28 = 717.28 : x
  2. Step 2: Convert to fraction form
    483.94/717.28 = 717.28/x
  3. Step 3: Cross multiply
    483.94x = 717.28 × 717.28
  4. Step 4: Simplify right side
    483.94x = 514,492.39
  5. Step 5: Solve for x
    x = 514,492.39/483.94
  6. Step 6: Final answer
    x = 1,063.14

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.