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Finding the Third Proportional to 266.63 and 607.13

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Solution

The third proportional to 266.63 and 607.13 is: 1,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.63 : 607.13 = 607.13 : x
  2. Step 2: Convert to fraction form
    266.63/607.13 = 607.13/x
  3. Step 3: Cross multiply
    266.63x = 607.13 × 607.13
  4. Step 4: Simplify right side
    266.63x = 368,600.77
  5. Step 5: Solve for x
    x = 368,600.77/266.63
  6. Step 6: Final answer
    x = 1,382.47

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.