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Finding the Third Proportional to 92,117 and 198,328

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Solution

The third proportional to 92,117 and 198,328 is: 427,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117 : 198,328 = 198,328 : x
  2. Step 2: Convert to fraction form
    92,117/198,328 = 198,328/x
  3. Step 3: Cross multiply
    92,117x = 198,328 × 198,328
  4. Step 4: Simplify right side
    92,117x = 39,333,995,584
  5. Step 5: Solve for x
    x = 39,333,995,584/92,117
  6. Step 6: Final answer
    x = 427,000.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.