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Finding the Third Proportional to 8,788.50 and 10,660.50

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Solution

The third proportional to 8,788.50 and 10,660.50 is: 12,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.50 : 10,660.50 = 10,660.50 : x
  2. Step 2: Convert to fraction form
    8,788.50/10,660.50 = 10,660.50/x
  3. Step 3: Cross multiply
    8,788.50x = 10,660.50 × 10,660.50
  4. Step 4: Simplify right side
    8,788.50x = 113,646,260.25
  5. Step 5: Solve for x
    x = 113,646,260.25/8,788.50
  6. Step 6: Final answer
    x = 12,931.25

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These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.