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Finding the Third Proportional to 77,468 and 164,236

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Solution

The third proportional to 77,468 and 164,236 is: 348,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,468 : 164,236 = 164,236 : x
  2. Step 2: Convert to fraction form
    77,468/164,236 = 164,236/x
  3. Step 3: Cross multiply
    77,468x = 164,236 × 164,236
  4. Step 4: Simplify right side
    77,468x = 26,973,463,696
  5. Step 5: Solve for x
    x = 26,973,463,696/77,468
  6. Step 6: Final answer
    x = 348,188.46

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.