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Finding the Third Proportional to 159,210 and 335,700

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Solution

The third proportional to 159,210 and 335,700 is: 707,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,210 : 335,700 = 335,700 : x
  2. Step 2: Convert to fraction form
    159,210/335,700 = 335,700/x
  3. Step 3: Cross multiply
    159,210x = 335,700 × 335,700
  4. Step 4: Simplify right side
    159,210x = 112,694,490,000
  5. Step 5: Solve for x
    x = 112,694,490,000/159,210
  6. Step 6: Final answer
    x = 707,835.50

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.