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Finding the Third Proportional to 266.06 and 583.45

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Solution

The third proportional to 266.06 and 583.45 is: 1,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.06 : 583.45 = 583.45 : x
  2. Step 2: Convert to fraction form
    266.06/583.45 = 583.45/x
  3. Step 3: Cross multiply
    266.06x = 583.45 × 583.45
  4. Step 4: Simplify right side
    266.06x = 340,417.55
  5. Step 5: Solve for x
    x = 340,417.55/266.06
  6. Step 6: Final answer
    x = 1,279.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.