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Finding the Third Proportional to 117,426 and 167,871

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Solution

The third proportional to 117,426 and 167,871 is: 239,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,426 : 167,871 = 167,871 : x
  2. Step 2: Convert to fraction form
    117,426/167,871 = 167,871/x
  3. Step 3: Cross multiply
    117,426x = 167,871 × 167,871
  4. Step 4: Simplify right side
    117,426x = 28,180,672,641
  5. Step 5: Solve for x
    x = 28,180,672,641/117,426
  6. Step 6: Final answer
    x = 239,986.65

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.