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Finding the Third Proportional to 39,943,634 and 86,040,028

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Solution

The third proportional to 39,943,634 and 86,040,028 is: 185,333,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943,634 : 86,040,028 = 86,040,028 : x
  2. Step 2: Convert to fraction form
    39,943,634/86,040,028 = 86,040,028/x
  3. Step 3: Cross multiply
    39,943,634x = 86,040,028 × 86,040,028
  4. Step 4: Simplify right side
    39,943,634x = 7,402,886,418,240,784
  5. Step 5: Solve for x
    x = 7,402,886,418,240,784/39,943,634
  6. Step 6: Final answer
    x = 185,333,322.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.