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Finding the Third Proportional to 204,020 and 306,030

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Solution

The third proportional to 204,020 and 306,030 is: 459,045

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,020 : 306,030 = 306,030 : x
  2. Step 2: Convert to fraction form
    204,020/306,030 = 306,030/x
  3. Step 3: Cross multiply
    204,020x = 306,030 × 306,030
  4. Step 4: Simplify right side
    204,020x = 93,654,360,900
  5. Step 5: Solve for x
    x = 93,654,360,900/204,020
  6. Step 6: Final answer
    x = 459,045

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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.