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Finding the Third Proportional to 45,316 and 68,934

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Solution

The third proportional to 45,316 and 68,934 is: 104,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,316 : 68,934 = 68,934 : x
  2. Step 2: Convert to fraction form
    45,316/68,934 = 68,934/x
  3. Step 3: Cross multiply
    45,316x = 68,934 × 68,934
  4. Step 4: Simplify right side
    45,316x = 4,751,896,356
  5. Step 5: Solve for x
    x = 4,751,896,356/45,316
  6. Step 6: Final answer
    x = 104,861.34

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.