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Finding the Third Proportional to 458,704.50 and 708,509.25

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Solution

The third proportional to 458,704.50 and 708,509.25 is: 1,094,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,704.50 : 708,509.25 = 708,509.25 : x
  2. Step 2: Convert to fraction form
    458,704.50/708,509.25 = 708,509.25/x
  3. Step 3: Cross multiply
    458,704.50x = 708,509.25 × 708,509.25
  4. Step 4: Simplify right side
    458,704.50x = 501,985,357,335.56
  5. Step 5: Solve for x
    x = 501,985,357,335.56/458,704.50
  6. Step 6: Final answer
    x = 1,094,354.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.