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Finding the Third Proportional to 103,982 and 160,938

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Solution

The third proportional to 103,982 and 160,938 is: 249,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,982 : 160,938 = 160,938 : x
  2. Step 2: Convert to fraction form
    103,982/160,938 = 160,938/x
  3. Step 3: Cross multiply
    103,982x = 160,938 × 160,938
  4. Step 4: Simplify right side
    103,982x = 25,901,039,844
  5. Step 5: Solve for x
    x = 25,901,039,844/103,982
  6. Step 6: Final answer
    x = 249,091.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.