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Finding the Third Proportional to 35,565 and 77,692

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Solution

The third proportional to 35,565 and 77,692 is: 169,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,565 : 77,692 = 77,692 : x
  2. Step 2: Convert to fraction form
    35,565/77,692 = 77,692/x
  3. Step 3: Cross multiply
    35,565x = 77,692 × 77,692
  4. Step 4: Simplify right side
    35,565x = 6,036,046,864
  5. Step 5: Solve for x
    x = 6,036,046,864/35,565
  6. Step 6: Final answer
    x = 169,718.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.