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Finding the Third Proportional to 53,570 and 80,841

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Solution

The third proportional to 53,570 and 80,841 is: 121,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,570 : 80,841 = 80,841 : x
  2. Step 2: Convert to fraction form
    53,570/80,841 = 80,841/x
  3. Step 3: Cross multiply
    53,570x = 80,841 × 80,841
  4. Step 4: Simplify right side
    53,570x = 6,535,267,281
  5. Step 5: Solve for x
    x = 6,535,267,281/53,570
  6. Step 6: Final answer
    x = 121,994.91

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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.