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Finding the Third Proportional to 47,700 and 70,092

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Solution

The third proportional to 47,700 and 70,092 is: 102,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,700 : 70,092 = 70,092 : x
  2. Step 2: Convert to fraction form
    47,700/70,092 = 70,092/x
  3. Step 3: Cross multiply
    47,700x = 70,092 × 70,092
  4. Step 4: Simplify right side
    47,700x = 4,912,888,464
  5. Step 5: Solve for x
    x = 4,912,888,464/47,700
  6. Step 6: Final answer
    x = 102,995.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.