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Finding the Third Proportional to 3,612,784.50 and 5,319,378

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Solution

The third proportional to 3,612,784.50 and 5,319,378 is: 7,832,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,784.50 : 5,319,378 = 5,319,378 : x
  2. Step 2: Convert to fraction form
    3,612,784.50/5,319,378 = 5,319,378/x
  3. Step 3: Cross multiply
    3,612,784.50x = 5,319,378 × 5,319,378
  4. Step 4: Simplify right side
    3,612,784.50x = 28,295,782,306,884
  5. Step 5: Solve for x
    x = 28,295,782,306,884/3,612,784.50
  6. Step 6: Final answer
    x = 7,832,125.69

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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.