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Finding the Third Proportional to 587,764.50 and 879,369

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Solution

The third proportional to 587,764.50 and 879,369 is: 1,315,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,764.50 : 879,369 = 879,369 : x
  2. Step 2: Convert to fraction form
    587,764.50/879,369 = 879,369/x
  3. Step 3: Cross multiply
    587,764.50x = 879,369 × 879,369
  4. Step 4: Simplify right side
    587,764.50x = 773,289,838,161
  5. Step 5: Solve for x
    x = 773,289,838,161/587,764.50
  6. Step 6: Final answer
    x = 1,315,645.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.