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Finding the Third Proportional to 140.06 and 302.34

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Solution

The third proportional to 140.06 and 302.34 is: 652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.06 : 302.34 = 302.34 : x
  2. Step 2: Convert to fraction form
    140.06/302.34 = 302.34/x
  3. Step 3: Cross multiply
    140.06x = 302.34 × 302.34
  4. Step 4: Simplify right side
    140.06x = 91,411.74
  5. Step 5: Solve for x
    x = 91,411.74/140.06
  6. Step 6: Final answer
    x = 652.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.