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Finding the Third Proportional to 103,640 and 228,155

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Solution

The third proportional to 103,640 and 228,155 is: 502,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640 : 228,155 = 228,155 : x
  2. Step 2: Convert to fraction form
    103,640/228,155 = 228,155/x
  3. Step 3: Cross multiply
    103,640x = 228,155 × 228,155
  4. Step 4: Simplify right side
    103,640x = 52,054,704,025
  5. Step 5: Solve for x
    x = 52,054,704,025/103,640
  6. Step 6: Final answer
    x = 502,264.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.