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Finding the Third Proportional to 91,596,810 and 197,542,122

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Solution

The third proportional to 91,596,810 and 197,542,122 is: 426,028,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,596,810 : 197,542,122 = 197,542,122 : x
  2. Step 2: Convert to fraction form
    91,596,810/197,542,122 = 197,542,122/x
  3. Step 3: Cross multiply
    91,596,810x = 197,542,122 × 197,542,122
  4. Step 4: Simplify right side
    91,596,810x = 39,022,889,964,262,880
  5. Step 5: Solve for x
    x = 39,022,889,964,262,880/91,596,810
  6. Step 6: Final answer
    x = 426,028,919.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.