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Finding the Third Proportional to 6,487.50 and 9,788.25

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Solution

The third proportional to 6,487.50 and 9,788.25 is: 14,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.50 : 9,788.25 = 9,788.25 : x
  2. Step 2: Convert to fraction form
    6,487.50/9,788.25 = 9,788.25/x
  3. Step 3: Cross multiply
    6,487.50x = 9,788.25 × 9,788.25
  4. Step 4: Simplify right side
    6,487.50x = 95,809,838.06
  5. Step 5: Solve for x
    x = 95,809,838.06/6,487.50
  6. Step 6: Final answer
    x = 14,768.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.