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Finding the Third Proportional to 19,679,038 and 40,615,631.50

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Solution

The third proportional to 19,679,038 and 40,615,631.50 is: 83,826,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,038 : 40,615,631.50 = 40,615,631.50 : x
  2. Step 2: Convert to fraction form
    19,679,038/40,615,631.50 = 40,615,631.50/x
  3. Step 3: Cross multiply
    19,679,038x = 40,615,631.50 × 40,615,631.50
  4. Step 4: Simplify right side
    19,679,038x = 1,649,629,522,143,792.25
  5. Step 5: Solve for x
    x = 1,649,629,522,143,792.25/19,679,038
  6. Step 6: Final answer
    x = 83,826,735.95

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.