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Finding the Third Proportional to 36,699 and 80,430

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Solution

The third proportional to 36,699 and 80,430 is: 176,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699 : 80,430 = 80,430 : x
  2. Step 2: Convert to fraction form
    36,699/80,430 = 80,430/x
  3. Step 3: Cross multiply
    36,699x = 80,430 × 80,430
  4. Step 4: Simplify right side
    36,699x = 6,468,984,900
  5. Step 5: Solve for x
    x = 6,468,984,900/36,699
  6. Step 6: Final answer
    x = 176,271.42

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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.