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Finding the Third Proportional to 103,688 and 226,816

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Solution

The third proportional to 103,688 and 226,816 is: 496,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688 : 226,816 = 226,816 : x
  2. Step 2: Convert to fraction form
    103,688/226,816 = 226,816/x
  3. Step 3: Cross multiply
    103,688x = 226,816 × 226,816
  4. Step 4: Simplify right side
    103,688x = 51,445,497,856
  5. Step 5: Solve for x
    x = 51,445,497,856/103,688
  6. Step 6: Final answer
    x = 496,156.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.