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Finding the Third Proportional to 53,572 and 80,844

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Solution

The third proportional to 53,572 and 80,844 is: 121,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,572 : 80,844 = 80,844 : x
  2. Step 2: Convert to fraction form
    53,572/80,844 = 80,844/x
  3. Step 3: Cross multiply
    53,572x = 80,844 × 80,844
  4. Step 4: Simplify right side
    53,572x = 6,535,752,336
  5. Step 5: Solve for x
    x = 6,535,752,336/53,572
  6. Step 6: Final answer
    x = 121,999.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.