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Finding the Third Proportional to 88,927 and 209,916

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Solution

The third proportional to 88,927 and 209,916 is: 495,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,927 : 209,916 = 209,916 : x
  2. Step 2: Convert to fraction form
    88,927/209,916 = 209,916/x
  3. Step 3: Cross multiply
    88,927x = 209,916 × 209,916
  4. Step 4: Simplify right side
    88,927x = 44,064,727,056
  5. Step 5: Solve for x
    x = 44,064,727,056/88,927
  6. Step 6: Final answer
    x = 495,515.73

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.