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Finding the Third Proportional to 73,216 and 113,664

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Solution

The third proportional to 73,216 and 113,664 is: 176,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,216 : 113,664 = 113,664 : x
  2. Step 2: Convert to fraction form
    73,216/113,664 = 113,664/x
  3. Step 3: Cross multiply
    73,216x = 113,664 × 113,664
  4. Step 4: Simplify right side
    73,216x = 12,919,504,896
  5. Step 5: Solve for x
    x = 12,919,504,896/73,216
  6. Step 6: Final answer
    x = 176,457.40

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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.