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Finding the Third Proportional to 14,664 and 31,888

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Solution

The third proportional to 14,664 and 31,888 is: 69,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664 : 31,888 = 31,888 : x
  2. Step 2: Convert to fraction form
    14,664/31,888 = 31,888/x
  3. Step 3: Cross multiply
    14,664x = 31,888 × 31,888
  4. Step 4: Simplify right side
    14,664x = 1,016,844,544
  5. Step 5: Solve for x
    x = 1,016,844,544/14,664
  6. Step 6: Final answer
    x = 69,342.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.