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Finding the Third Proportional to 64,202 and 155,354

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Solution

The third proportional to 64,202 and 155,354 is: 375,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,202 : 155,354 = 155,354 : x
  2. Step 2: Convert to fraction form
    64,202/155,354 = 155,354/x
  3. Step 3: Cross multiply
    64,202x = 155,354 × 155,354
  4. Step 4: Simplify right side
    64,202x = 24,134,865,316
  5. Step 5: Solve for x
    x = 24,134,865,316/64,202
  6. Step 6: Final answer
    x = 375,920.77

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.