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Finding the Third Proportional to 19,572 and 43,110

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Solution

The third proportional to 19,572 and 43,110 is: 94,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572 : 43,110 = 43,110 : x
  2. Step 2: Convert to fraction form
    19,572/43,110 = 43,110/x
  3. Step 3: Cross multiply
    19,572x = 43,110 × 43,110
  4. Step 4: Simplify right side
    19,572x = 1,858,472,100
  5. Step 5: Solve for x
    x = 1,858,472,100/19,572
  6. Step 6: Final answer
    x = 94,955.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.