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Finding the Third Proportional to 19,324,398 and 42,121,026

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Solution

The third proportional to 19,324,398 and 42,121,026 is: 91,810,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324,398 : 42,121,026 = 42,121,026 : x
  2. Step 2: Convert to fraction form
    19,324,398/42,121,026 = 42,121,026/x
  3. Step 3: Cross multiply
    19,324,398x = 42,121,026 × 42,121,026
  4. Step 4: Simplify right side
    19,324,398x = 1,774,180,831,292,676
  5. Step 5: Solve for x
    x = 1,774,180,831,292,676/19,324,398
  6. Step 6: Final answer
    x = 91,810,406.27

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.