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Finding the Third Proportional to 7,888 and 17,070

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Solution

The third proportional to 7,888 and 17,070 is: 36,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888 : 17,070 = 17,070 : x
  2. Step 2: Convert to fraction form
    7,888/17,070 = 17,070/x
  3. Step 3: Cross multiply
    7,888x = 17,070 × 17,070
  4. Step 4: Simplify right side
    7,888x = 291,384,900
  5. Step 5: Solve for x
    x = 291,384,900/7,888
  6. Step 6: Final answer
    x = 36,940.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.