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Finding the Third Proportional to 69,570 and 104,674

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Solution

The third proportional to 69,570 and 104,674 is: 157,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,570 : 104,674 = 104,674 : x
  2. Step 2: Convert to fraction form
    69,570/104,674 = 104,674/x
  3. Step 3: Cross multiply
    69,570x = 104,674 × 104,674
  4. Step 4: Simplify right side
    69,570x = 10,956,646,276
  5. Step 5: Solve for x
    x = 10,956,646,276/69,570
  6. Step 6: Final answer
    x = 157,490.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.