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Finding the Third Proportional to 7,579.50 and 8,943

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Solution

The third proportional to 7,579.50 and 8,943 is: 10,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.50 : 8,943 = 8,943 : x
  2. Step 2: Convert to fraction form
    7,579.50/8,943 = 8,943/x
  3. Step 3: Cross multiply
    7,579.50x = 8,943 × 8,943
  4. Step 4: Simplify right side
    7,579.50x = 79,977,249
  5. Step 5: Solve for x
    x = 79,977,249/7,579.50
  6. Step 6: Final answer
    x = 10,551.78

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.