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Finding the Third Proportional to 40,398 and 88,491

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Solution

The third proportional to 40,398 and 88,491 is: 193,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398 : 88,491 = 88,491 : x
  2. Step 2: Convert to fraction form
    40,398/88,491 = 88,491/x
  3. Step 3: Cross multiply
    40,398x = 88,491 × 88,491
  4. Step 4: Simplify right side
    40,398x = 7,830,657,081
  5. Step 5: Solve for x
    x = 7,830,657,081/40,398
  6. Step 6: Final answer
    x = 193,837.74

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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.