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Finding the Third Proportional to 219,748 and 330,207

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Solution

The third proportional to 219,748 and 330,207 is: 496,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,748 : 330,207 = 330,207 : x
  2. Step 2: Convert to fraction form
    219,748/330,207 = 330,207/x
  3. Step 3: Cross multiply
    219,748x = 330,207 × 330,207
  4. Step 4: Simplify right side
    219,748x = 109,036,662,849
  5. Step 5: Solve for x
    x = 109,036,662,849/219,748
  6. Step 6: Final answer
    x = 496,189.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.