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Finding the Third Proportional to 162,504 and 354,816

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Solution

The third proportional to 162,504 and 354,816 is: 774,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,504 : 354,816 = 354,816 : x
  2. Step 2: Convert to fraction form
    162,504/354,816 = 354,816/x
  3. Step 3: Cross multiply
    162,504x = 354,816 × 354,816
  4. Step 4: Simplify right side
    162,504x = 125,894,393,856
  5. Step 5: Solve for x
    x = 125,894,393,856/162,504
  6. Step 6: Final answer
    x = 774,715.66

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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.