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Finding the Third Proportional to 486.16 and 730.50

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Solution

The third proportional to 486.16 and 730.50 is: 1,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    486.16 : 730.50 = 730.50 : x
  2. Step 2: Convert to fraction form
    486.16/730.50 = 730.50/x
  3. Step 3: Cross multiply
    486.16x = 730.50 × 730.50
  4. Step 4: Simplify right side
    486.16x = 533,634.53
  5. Step 5: Solve for x
    x = 533,634.53/486.16
  6. Step 6: Final answer
    x = 1,097.66

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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.