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Finding the Third Proportional to 457,828.88 and 673,507.13

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Solution

The third proportional to 457,828.88 and 673,507.13 is: 990,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,828.88 : 673,507.13 = 673,507.13 : x
  2. Step 2: Convert to fraction form
    457,828.88/673,507.13 = 673,507.13/x
  3. Step 3: Cross multiply
    457,828.88x = 673,507.13 × 673,507.13
  4. Step 4: Simplify right side
    457,828.88x = 453,611,847,425.77
  5. Step 5: Solve for x
    x = 453,611,847,425.77/457,828.88
  6. Step 6: Final answer
    x = 990,789.07

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.