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Finding the Third Proportional to 102,174 and 218,316

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Solution

The third proportional to 102,174 and 218,316 is: 466,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,174 : 218,316 = 218,316 : x
  2. Step 2: Convert to fraction form
    102,174/218,316 = 218,316/x
  3. Step 3: Cross multiply
    102,174x = 218,316 × 218,316
  4. Step 4: Simplify right side
    102,174x = 47,661,875,856
  5. Step 5: Solve for x
    x = 47,661,875,856/102,174
  6. Step 6: Final answer
    x = 466,477.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.