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Finding the Third Proportional to 5,260,518 and 11,320,020

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Solution

The third proportional to 5,260,518 and 11,320,020 is: 24,359,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260,518 : 11,320,020 = 11,320,020 : x
  2. Step 2: Convert to fraction form
    5,260,518/11,320,020 = 11,320,020/x
  3. Step 3: Cross multiply
    5,260,518x = 11,320,020 × 11,320,020
  4. Step 4: Simplify right side
    5,260,518x = 128,142,852,800,400
  5. Step 5: Solve for x
    x = 128,142,852,800,400/5,260,518
  6. Step 6: Final answer
    x = 24,359,360.20

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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.