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Finding the Third Proportional to 19,818.75 and 29,017

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Solution

The third proportional to 19,818.75 and 29,017 is: 42,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.75 : 29,017 = 29,017 : x
  2. Step 2: Convert to fraction form
    19,818.75/29,017 = 29,017/x
  3. Step 3: Cross multiply
    19,818.75x = 29,017 × 29,017
  4. Step 4: Simplify right side
    19,818.75x = 841,986,289
  5. Step 5: Solve for x
    x = 841,986,289/19,818.75
  6. Step 6: Final answer
    x = 42,484.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.