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Finding the Third Proportional to 12,618 and 26,854.50

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Solution

The third proportional to 12,618 and 26,854.50 is: 57,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618 : 26,854.50 = 26,854.50 : x
  2. Step 2: Convert to fraction form
    12,618/26,854.50 = 26,854.50/x
  3. Step 3: Cross multiply
    12,618x = 26,854.50 × 26,854.50
  4. Step 4: Simplify right side
    12,618x = 721,164,170.25
  5. Step 5: Solve for x
    x = 721,164,170.25/12,618
  6. Step 6: Final answer
    x = 57,153.60

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.