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Finding the Third Proportional to 6,639 and 10,000.50

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Solution

The third proportional to 6,639 and 10,000.50 is: 15,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639 : 10,000.50 = 10,000.50 : x
  2. Step 2: Convert to fraction form
    6,639/10,000.50 = 10,000.50/x
  3. Step 3: Cross multiply
    6,639x = 10,000.50 × 10,000.50
  4. Step 4: Simplify right side
    6,639x = 100,010,000.25
  5. Step 5: Solve for x
    x = 100,010,000.25/6,639
  6. Step 6: Final answer
    x = 15,064.02

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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.