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Finding the Third Proportional to 4,720.50 and 10,338.75

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Solution

The third proportional to 4,720.50 and 10,338.75 is: 22,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.50 : 10,338.75 = 10,338.75 : x
  2. Step 2: Convert to fraction form
    4,720.50/10,338.75 = 10,338.75/x
  3. Step 3: Cross multiply
    4,720.50x = 10,338.75 × 10,338.75
  4. Step 4: Simplify right side
    4,720.50x = 106,889,751.56
  5. Step 5: Solve for x
    x = 106,889,751.56/4,720.50
  6. Step 6: Final answer
    x = 22,643.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.