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Finding the Third Proportional to 1,920,680 and 4,121,296

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Solution

The third proportional to 1,920,680 and 4,121,296 is: 8,843,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,680 : 4,121,296 = 4,121,296 : x
  2. Step 2: Convert to fraction form
    1,920,680/4,121,296 = 4,121,296/x
  3. Step 3: Cross multiply
    1,920,680x = 4,121,296 × 4,121,296
  4. Step 4: Simplify right side
    1,920,680x = 16,985,080,719,616
  5. Step 5: Solve for x
    x = 16,985,080,719,616/1,920,680
  6. Step 6: Final answer
    x = 8,843,264.22

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.