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Finding the Third Proportional to 15,982 and 35,070

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Solution

The third proportional to 15,982 and 35,070 is: 76,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982 : 35,070 = 35,070 : x
  2. Step 2: Convert to fraction form
    15,982/35,070 = 35,070/x
  3. Step 3: Cross multiply
    15,982x = 35,070 × 35,070
  4. Step 4: Simplify right side
    15,982x = 1,229,904,900
  5. Step 5: Solve for x
    x = 1,229,904,900/15,982
  6. Step 6: Final answer
    x = 76,955.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.