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Finding the Third Proportional to 9,772,370.30 and 21,059,408.95

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Solution

The third proportional to 9,772,370.30 and 21,059,408.95 is: 45,382,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,370.30 : 21,059,408.95 = 21,059,408.95 : x
  2. Step 2: Convert to fraction form
    9,772,370.30/21,059,408.95 = 21,059,408.95/x
  3. Step 3: Cross multiply
    9,772,370.30x = 21,059,408.95 × 21,059,408.95
  4. Step 4: Simplify right side
    9,772,370.30x = 443,498,705,454,961.44
  5. Step 5: Solve for x
    x = 443,498,705,454,961.44/9,772,370.30
  6. Step 6: Final answer
    x = 45,382,920.62

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Why These Related Problems?

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