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Finding the Third Proportional to 30,559 and 40,563

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Solution

The third proportional to 30,559 and 40,563 is: 53,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559 : 40,563 = 40,563 : x
  2. Step 2: Convert to fraction form
    30,559/40,563 = 40,563/x
  3. Step 3: Cross multiply
    30,559x = 40,563 × 40,563
  4. Step 4: Simplify right side
    30,559x = 1,645,356,969
  5. Step 5: Solve for x
    x = 1,645,356,969/30,559
  6. Step 6: Final answer
    x = 53,841.98

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.