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Finding the Third Proportional to 4,017.50 and 8,788

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Solution

The third proportional to 4,017.50 and 8,788 is: 19,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.50 : 8,788 = 8,788 : x
  2. Step 2: Convert to fraction form
    4,017.50/8,788 = 8,788/x
  3. Step 3: Cross multiply
    4,017.50x = 8,788 × 8,788
  4. Step 4: Simplify right side
    4,017.50x = 77,228,944
  5. Step 5: Solve for x
    x = 77,228,944/4,017.50
  6. Step 6: Final answer
    x = 19,223.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.