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Finding the Third Proportional to 48,220 and 76,708

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Solution

The third proportional to 48,220 and 76,708 is: 122,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220 : 76,708 = 76,708 : x
  2. Step 2: Convert to fraction form
    48,220/76,708 = 76,708/x
  3. Step 3: Cross multiply
    48,220x = 76,708 × 76,708
  4. Step 4: Simplify right side
    48,220x = 5,884,117,264
  5. Step 5: Solve for x
    x = 5,884,117,264/48,220
  6. Step 6: Final answer
    x = 122,026.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.