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Finding the Third Proportional to 63,983 and 83,658

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Solution

The third proportional to 63,983 and 83,658 is: 109,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,983 : 83,658 = 83,658 : x
  2. Step 2: Convert to fraction form
    63,983/83,658 = 83,658/x
  3. Step 3: Cross multiply
    63,983x = 83,658 × 83,658
  4. Step 4: Simplify right side
    63,983x = 6,998,660,964
  5. Step 5: Solve for x
    x = 6,998,660,964/63,983
  6. Step 6: Final answer
    x = 109,383.13

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.