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Finding the Third Proportional to 8,799 and 21,028.50

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Solution

The third proportional to 8,799 and 21,028.50 is: 50,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799 : 21,028.50 = 21,028.50 : x
  2. Step 2: Convert to fraction form
    8,799/21,028.50 = 21,028.50/x
  3. Step 3: Cross multiply
    8,799x = 21,028.50 × 21,028.50
  4. Step 4: Simplify right side
    8,799x = 442,197,812.25
  5. Step 5: Solve for x
    x = 442,197,812.25/8,799
  6. Step 6: Final answer
    x = 50,255.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.