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Finding the Third Proportional to 7,020 and 14,772

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Solution

The third proportional to 7,020 and 14,772 is: 31,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020 : 14,772 = 14,772 : x
  2. Step 2: Convert to fraction form
    7,020/14,772 = 14,772/x
  3. Step 3: Cross multiply
    7,020x = 14,772 × 14,772
  4. Step 4: Simplify right side
    7,020x = 218,211,984
  5. Step 5: Solve for x
    x = 218,211,984/7,020
  6. Step 6: Final answer
    x = 31,084.33

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.