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Finding the Third Proportional to 210,334.50 and 330,810.75

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Solution

The third proportional to 210,334.50 and 330,810.75 is: 520,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,334.50 : 330,810.75 = 330,810.75 : x
  2. Step 2: Convert to fraction form
    210,334.50/330,810.75 = 330,810.75/x
  3. Step 3: Cross multiply
    210,334.50x = 330,810.75 × 330,810.75
  4. Step 4: Simplify right side
    210,334.50x = 109,435,752,315.56
  5. Step 5: Solve for x
    x = 109,435,752,315.56/210,334.50
  6. Step 6: Final answer
    x = 520,293.88

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.