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Finding the Third Proportional to 74,967 and 163,579

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Solution

The third proportional to 74,967 and 163,579 is: 356,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,967 : 163,579 = 163,579 : x
  2. Step 2: Convert to fraction form
    74,967/163,579 = 163,579/x
  3. Step 3: Cross multiply
    74,967x = 163,579 × 163,579
  4. Step 4: Simplify right side
    74,967x = 26,758,089,241
  5. Step 5: Solve for x
    x = 26,758,089,241/74,967
  6. Step 6: Final answer
    x = 356,931.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.