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Finding the Third Proportional to 70,310 and 151,372

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Solution

The third proportional to 70,310 and 151,372 is: 325,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310 : 151,372 = 151,372 : x
  2. Step 2: Convert to fraction form
    70,310/151,372 = 151,372/x
  3. Step 3: Cross multiply
    70,310x = 151,372 × 151,372
  4. Step 4: Simplify right side
    70,310x = 22,913,482,384
  5. Step 5: Solve for x
    x = 22,913,482,384/70,310
  6. Step 6: Final answer
    x = 325,892.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.