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Finding the Third Proportional to 4,473 and 9,561.50

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Solution

The third proportional to 4,473 and 9,561.50 is: 20,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473 : 9,561.50 = 9,561.50 : x
  2. Step 2: Convert to fraction form
    4,473/9,561.50 = 9,561.50/x
  3. Step 3: Cross multiply
    4,473x = 9,561.50 × 9,561.50
  4. Step 4: Simplify right side
    4,473x = 91,422,282.25
  5. Step 5: Solve for x
    x = 91,422,282.25/4,473
  6. Step 6: Final answer
    x = 20,438.69

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.