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Finding the Third Proportional to 80,435 and 163,030

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Solution

The third proportional to 80,435 and 163,030 is: 330,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,435 : 163,030 = 163,030 : x
  2. Step 2: Convert to fraction form
    80,435/163,030 = 163,030/x
  3. Step 3: Cross multiply
    80,435x = 163,030 × 163,030
  4. Step 4: Simplify right side
    80,435x = 26,578,780,900
  5. Step 5: Solve for x
    x = 26,578,780,900/80,435
  6. Step 6: Final answer
    x = 330,438.00

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.