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Finding the Third Proportional to 7,948 and 17,570

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Solution

The third proportional to 7,948 and 17,570 is: 38,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948 : 17,570 = 17,570 : x
  2. Step 2: Convert to fraction form
    7,948/17,570 = 17,570/x
  3. Step 3: Cross multiply
    7,948x = 17,570 × 17,570
  4. Step 4: Simplify right side
    7,948x = 308,704,900
  5. Step 5: Solve for x
    x = 308,704,900/7,948
  6. Step 6: Final answer
    x = 38,840.58

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.