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Finding the Third Proportional to 7,020 and 16,590

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Solution

The third proportional to 7,020 and 16,590 is: 39,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020 : 16,590 = 16,590 : x
  2. Step 2: Convert to fraction form
    7,020/16,590 = 16,590/x
  3. Step 3: Cross multiply
    7,020x = 16,590 × 16,590
  4. Step 4: Simplify right side
    7,020x = 275,228,100
  5. Step 5: Solve for x
    x = 275,228,100/7,020
  6. Step 6: Final answer
    x = 39,206.28

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.