Home / 121,046,768.25-258,922,500.75

Finding the Third Proportional to 121,046,768.25 and 258,922,500.75

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Solution

The third proportional to 121,046,768.25 and 258,922,500.75 is: 553,842,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,046,768.25 : 258,922,500.75 = 258,922,500.75 : x
  2. Step 2: Convert to fraction form
    121,046,768.25/258,922,500.75 = 258,922,500.75/x
  3. Step 3: Cross multiply
    121,046,768.25x = 258,922,500.75 × 258,922,500.75
  4. Step 4: Simplify right side
    121,046,768.25x = 67,040,861,394,633,752
  5. Step 5: Solve for x
    x = 67,040,861,394,633,752/121,046,768.25
  6. Step 6: Final answer
    x = 553,842,637.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.