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Finding the Third Proportional to 2,020 and 4,680

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Solution

The third proportional to 2,020 and 4,680 is: 10,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020 : 4,680 = 4,680 : x
  2. Step 2: Convert to fraction form
    2,020/4,680 = 4,680/x
  3. Step 3: Cross multiply
    2,020x = 4,680 × 4,680
  4. Step 4: Simplify right side
    2,020x = 21,902,400
  5. Step 5: Solve for x
    x = 21,902,400/2,020
  6. Step 6: Final answer
    x = 10,842.77

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.