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Finding the Third Proportional to 36,612 and 84,618

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Solution

The third proportional to 36,612 and 84,618 is: 195,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612 : 84,618 = 84,618 : x
  2. Step 2: Convert to fraction form
    36,612/84,618 = 84,618/x
  3. Step 3: Cross multiply
    36,612x = 84,618 × 84,618
  4. Step 4: Simplify right side
    36,612x = 7,160,205,924
  5. Step 5: Solve for x
    x = 7,160,205,924/36,612
  6. Step 6: Final answer
    x = 195,569.92

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.