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Finding the Third Proportional to 214,494 and 457,489.50

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Solution

The third proportional to 214,494 and 457,489.50 is: 975,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,494 : 457,489.50 = 457,489.50 : x
  2. Step 2: Convert to fraction form
    214,494/457,489.50 = 457,489.50/x
  3. Step 3: Cross multiply
    214,494x = 457,489.50 × 457,489.50
  4. Step 4: Simplify right side
    214,494x = 209,296,642,610.25
  5. Step 5: Solve for x
    x = 209,296,642,610.25/214,494
  6. Step 6: Final answer
    x = 975,769.22

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.