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Finding the Third Proportional to 58,636 and 80,660

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Solution

The third proportional to 58,636 and 80,660 is: 110,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,636 : 80,660 = 80,660 : x
  2. Step 2: Convert to fraction form
    58,636/80,660 = 80,660/x
  3. Step 3: Cross multiply
    58,636x = 80,660 × 80,660
  4. Step 4: Simplify right side
    58,636x = 6,506,035,600
  5. Step 5: Solve for x
    x = 6,506,035,600/58,636
  6. Step 6: Final answer
    x = 110,956.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.