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Finding the Third Proportional to 1,774,432.20 and 3,860,255.60

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Solution

The third proportional to 1,774,432.20 and 3,860,255.60 is: 8,397,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,432.20 : 3,860,255.60 = 3,860,255.60 : x
  2. Step 2: Convert to fraction form
    1,774,432.20/3,860,255.60 = 3,860,255.60/x
  3. Step 3: Cross multiply
    1,774,432.20x = 3,860,255.60 × 3,860,255.60
  4. Step 4: Simplify right side
    1,774,432.20x = 14,901,573,309,394.66
  5. Step 5: Solve for x
    x = 14,901,573,309,394.66/1,774,432.20
  6. Step 6: Final answer
    x = 8,397,938.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.