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Finding the Third Proportional to 17,688 and 24,888

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Solution

The third proportional to 17,688 and 24,888 is: 35,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688 : 24,888 = 24,888 : x
  2. Step 2: Convert to fraction form
    17,688/24,888 = 24,888/x
  3. Step 3: Cross multiply
    17,688x = 24,888 × 24,888
  4. Step 4: Simplify right side
    17,688x = 619,412,544
  5. Step 5: Solve for x
    x = 619,412,544/17,688
  6. Step 6: Final answer
    x = 35,018.80

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.