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Finding the Third Proportional to 75,064 and 164,890

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Solution

The third proportional to 75,064 and 164,890 is: 362,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064 : 164,890 = 164,890 : x
  2. Step 2: Convert to fraction form
    75,064/164,890 = 164,890/x
  3. Step 3: Cross multiply
    75,064x = 164,890 × 164,890
  4. Step 4: Simplify right side
    75,064x = 27,188,712,100
  5. Step 5: Solve for x
    x = 27,188,712,100/75,064
  6. Step 6: Final answer
    x = 362,207.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.