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Finding the Third Proportional to 305,272 and 663,088

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Solution

The third proportional to 305,272 and 663,088 is: 1,440,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,272 : 663,088 = 663,088 : x
  2. Step 2: Convert to fraction form
    305,272/663,088 = 663,088/x
  3. Step 3: Cross multiply
    305,272x = 663,088 × 663,088
  4. Step 4: Simplify right side
    305,272x = 439,685,695,744
  5. Step 5: Solve for x
    x = 439,685,695,744/305,272
  6. Step 6: Final answer
    x = 1,440,307.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.