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Finding the Third Proportional to 9,121,695 and 19,831,110

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Solution

The third proportional to 9,121,695 and 19,831,110 is: 43,114,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,695 : 19,831,110 = 19,831,110 : x
  2. Step 2: Convert to fraction form
    9,121,695/19,831,110 = 19,831,110/x
  3. Step 3: Cross multiply
    9,121,695x = 19,831,110 × 19,831,110
  4. Step 4: Simplify right side
    9,121,695x = 393,272,923,832,100
  5. Step 5: Solve for x
    x = 393,272,923,832,100/9,121,695
  6. Step 6: Final answer
    x = 43,114,018.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.