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Finding the Third Proportional to 242.06 and 529.50

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Solution

The third proportional to 242.06 and 529.50 is: 1,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.06 : 529.50 = 529.50 : x
  2. Step 2: Convert to fraction form
    242.06/529.50 = 529.50/x
  3. Step 3: Cross multiply
    242.06x = 529.50 × 529.50
  4. Step 4: Simplify right side
    242.06x = 280,370.25
  5. Step 5: Solve for x
    x = 280,370.25/242.06
  6. Step 6: Final answer
    x = 1,158.26

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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.