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Finding the Third Proportional to 7,926 and 17,070

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Solution

The third proportional to 7,926 and 17,070 is: 36,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926 : 17,070 = 17,070 : x
  2. Step 2: Convert to fraction form
    7,926/17,070 = 17,070/x
  3. Step 3: Cross multiply
    7,926x = 17,070 × 17,070
  4. Step 4: Simplify right side
    7,926x = 291,384,900
  5. Step 5: Solve for x
    x = 291,384,900/7,926
  6. Step 6: Final answer
    x = 36,763.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.