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Finding the Third Proportional to 112,995 and 169,371

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Solution

The third proportional to 112,995 and 169,371 is: 253,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995 : 169,371 = 169,371 : x
  2. Step 2: Convert to fraction form
    112,995/169,371 = 169,371/x
  3. Step 3: Cross multiply
    112,995x = 169,371 × 169,371
  4. Step 4: Simplify right side
    112,995x = 28,686,535,641
  5. Step 5: Solve for x
    x = 28,686,535,641/112,995
  6. Step 6: Final answer
    x = 253,874.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.