Home / 121,677,678.75-185,581,235.25

Finding the Third Proportional to 121,677,678.75 and 185,581,235.25

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Solution

The third proportional to 121,677,678.75 and 185,581,235.25 is: 283,046,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,677,678.75 : 185,581,235.25 = 185,581,235.25 : x
  2. Step 2: Convert to fraction form
    121,677,678.75/185,581,235.25 = 185,581,235.25/x
  3. Step 3: Cross multiply
    121,677,678.75x = 185,581,235.25 × 185,581,235.25
  4. Step 4: Simplify right side
    121,677,678.75x = 34,440,394,876,915,844
  5. Step 5: Solve for x
    x = 34,440,394,876,915,844/121,677,678.75
  6. Step 6: Final answer
    x = 283,046,120.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.