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Finding the Third Proportional to 8,607 and 14,782.50

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Solution

The third proportional to 8,607 and 14,782.50 is: 25,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607 : 14,782.50 = 14,782.50 : x
  2. Step 2: Convert to fraction form
    8,607/14,782.50 = 14,782.50/x
  3. Step 3: Cross multiply
    8,607x = 14,782.50 × 14,782.50
  4. Step 4: Simplify right side
    8,607x = 218,522,306.25
  5. Step 5: Solve for x
    x = 218,522,306.25/8,607
  6. Step 6: Final answer
    x = 25,388.91

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.