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Finding the Third Proportional to 52,431,030 and 81,407,028

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Solution

The third proportional to 52,431,030 and 81,407,028 is: 126,396,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431,030 : 81,407,028 = 81,407,028 : x
  2. Step 2: Convert to fraction form
    52,431,030/81,407,028 = 81,407,028/x
  3. Step 3: Cross multiply
    52,431,030x = 81,407,028 × 81,407,028
  4. Step 4: Simplify right side
    52,431,030x = 6,627,104,207,792,784
  5. Step 5: Solve for x
    x = 6,627,104,207,792,784/52,431,030
  6. Step 6: Final answer
    x = 126,396,605.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.