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Finding the Third Proportional to 40,348 and 85,502

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Solution

The third proportional to 40,348 and 85,502 is: 181,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348 : 85,502 = 85,502 : x
  2. Step 2: Convert to fraction form
    40,348/85,502 = 85,502/x
  3. Step 3: Cross multiply
    40,348x = 85,502 × 85,502
  4. Step 4: Simplify right side
    40,348x = 7,310,592,004
  5. Step 5: Solve for x
    x = 7,310,592,004/40,348
  6. Step 6: Final answer
    x = 181,188.46

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.