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Finding the Third Proportional to 35,727 and 77,603

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Solution

The third proportional to 35,727 and 77,603 is: 168,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727 : 77,603 = 77,603 : x
  2. Step 2: Convert to fraction form
    35,727/77,603 = 77,603/x
  3. Step 3: Cross multiply
    35,727x = 77,603 × 77,603
  4. Step 4: Simplify right side
    35,727x = 6,022,225,609
  5. Step 5: Solve for x
    x = 6,022,225,609/35,727
  6. Step 6: Final answer
    x = 168,562.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.