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Finding the Third Proportional to 173,963 and 268,803

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Solution

The third proportional to 173,963 and 268,803 is: 415,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,963 : 268,803 = 268,803 : x
  2. Step 2: Convert to fraction form
    173,963/268,803 = 268,803/x
  3. Step 3: Cross multiply
    173,963x = 268,803 × 268,803
  4. Step 4: Simplify right side
    173,963x = 72,255,052,809
  5. Step 5: Solve for x
    x = 72,255,052,809/173,963
  6. Step 6: Final answer
    x = 415,347.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.