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Finding the Third Proportional to 70,938 and 153,684

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Solution

The third proportional to 70,938 and 153,684 is: 332,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938 : 153,684 = 153,684 : x
  2. Step 2: Convert to fraction form
    70,938/153,684 = 153,684/x
  3. Step 3: Cross multiply
    70,938x = 153,684 × 153,684
  4. Step 4: Simplify right side
    70,938x = 23,618,771,856
  5. Step 5: Solve for x
    x = 23,618,771,856/70,938
  6. Step 6: Final answer
    x = 332,949.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.