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Finding the Third Proportional to 108.84 and 237.98

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Solution

The third proportional to 108.84 and 237.98 is: 520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.84 : 237.98 = 237.98 : x
  2. Step 2: Convert to fraction form
    108.84/237.98 = 237.98/x
  3. Step 3: Cross multiply
    108.84x = 237.98 × 237.98
  4. Step 4: Simplify right side
    108.84x = 56,636.56
  5. Step 5: Solve for x
    x = 56,636.56/108.84
  6. Step 6: Final answer
    x = 520.35

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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.