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Finding the Third Proportional to 92,372 and 139,862

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Solution

The third proportional to 92,372 and 139,862 is: 211,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,372 : 139,862 = 139,862 : x
  2. Step 2: Convert to fraction form
    92,372/139,862 = 139,862/x
  3. Step 3: Cross multiply
    92,372x = 139,862 × 139,862
  4. Step 4: Simplify right side
    92,372x = 19,561,379,044
  5. Step 5: Solve for x
    x = 19,561,379,044/92,372
  6. Step 6: Final answer
    x = 211,767.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.