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Finding the Third Proportional to 16,618 and 25,263

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Solution

The third proportional to 16,618 and 25,263 is: 38,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618 : 25,263 = 25,263 : x
  2. Step 2: Convert to fraction form
    16,618/25,263 = 25,263/x
  3. Step 3: Cross multiply
    16,618x = 25,263 × 25,263
  4. Step 4: Simplify right side
    16,618x = 638,219,169
  5. Step 5: Solve for x
    x = 638,219,169/16,618
  6. Step 6: Final answer
    x = 38,405.29

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.