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Finding the Third Proportional to 77,220 and 167,518.13

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Solution

The third proportional to 77,220 and 167,518.13 is: 363,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220 : 167,518.13 = 167,518.13 : x
  2. Step 2: Convert to fraction form
    77,220/167,518.13 = 167,518.13/x
  3. Step 3: Cross multiply
    77,220x = 167,518.13 × 167,518.13
  4. Step 4: Simplify right side
    77,220x = 28,062,322,203.52
  5. Step 5: Solve for x
    x = 28,062,322,203.52/77,220
  6. Step 6: Final answer
    x = 363,407.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.