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Finding the Third Proportional to 35,172 and 75,894

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Solution

The third proportional to 35,172 and 75,894 is: 163,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172 : 75,894 = 75,894 : x
  2. Step 2: Convert to fraction form
    35,172/75,894 = 75,894/x
  3. Step 3: Cross multiply
    35,172x = 75,894 × 75,894
  4. Step 4: Simplify right side
    35,172x = 5,759,899,236
  5. Step 5: Solve for x
    x = 5,759,899,236/35,172
  6. Step 6: Final answer
    x = 163,763.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.