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Finding the Third Proportional to 8,827.50 and 19,317

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Solution

The third proportional to 8,827.50 and 19,317 is: 42,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.50 : 19,317 = 19,317 : x
  2. Step 2: Convert to fraction form
    8,827.50/19,317 = 19,317/x
  3. Step 3: Cross multiply
    8,827.50x = 19,317 × 19,317
  4. Step 4: Simplify right side
    8,827.50x = 373,146,489
  5. Step 5: Solve for x
    x = 373,146,489/8,827.50
  6. Step 6: Final answer
    x = 42,270.91

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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.