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Finding the Third Proportional to 19,463 and 29,680.50

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Solution

The third proportional to 19,463 and 29,680.50 is: 45,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463 : 29,680.50 = 29,680.50 : x
  2. Step 2: Convert to fraction form
    19,463/29,680.50 = 29,680.50/x
  3. Step 3: Cross multiply
    19,463x = 29,680.50 × 29,680.50
  4. Step 4: Simplify right side
    19,463x = 880,932,080.25
  5. Step 5: Solve for x
    x = 880,932,080.25/19,463
  6. Step 6: Final answer
    x = 45,261.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.