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Finding the Third Proportional to 14,565.75 and 21,369.75

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Solution

The third proportional to 14,565.75 and 21,369.75 is: 31,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.75 : 21,369.75 = 21,369.75 : x
  2. Step 2: Convert to fraction form
    14,565.75/21,369.75 = 21,369.75/x
  3. Step 3: Cross multiply
    14,565.75x = 21,369.75 × 21,369.75
  4. Step 4: Simplify right side
    14,565.75x = 456,666,215.06
  5. Step 5: Solve for x
    x = 456,666,215.06/14,565.75
  6. Step 6: Final answer
    x = 31,352.06

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.