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Finding the Third Proportional to 155,262 and 335,316

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Solution

The third proportional to 155,262 and 335,316 is: 724,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,262 : 335,316 = 335,316 : x
  2. Step 2: Convert to fraction form
    155,262/335,316 = 335,316/x
  3. Step 3: Cross multiply
    155,262x = 335,316 × 335,316
  4. Step 4: Simplify right side
    155,262x = 112,436,819,856
  5. Step 5: Solve for x
    x = 112,436,819,856/155,262
  6. Step 6: Final answer
    x = 724,174.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.