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Finding the Third Proportional to 5,909,920.25 and 12,940,840

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Solution

The third proportional to 5,909,920.25 and 12,940,840 is: 28,336,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,920.25 : 12,940,840 = 12,940,840 : x
  2. Step 2: Convert to fraction form
    5,909,920.25/12,940,840 = 12,940,840/x
  3. Step 3: Cross multiply
    5,909,920.25x = 12,940,840 × 12,940,840
  4. Step 4: Simplify right side
    5,909,920.25x = 167,465,339,905,600
  5. Step 5: Solve for x
    x = 167,465,339,905,600/5,909,920.25
  6. Step 6: Final answer
    x = 28,336,311.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.