Home / 85,517,770.88-186,710,976.75

Finding the Third Proportional to 85,517,770.88 and 186,710,976.75

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Solution

The third proportional to 85,517,770.88 and 186,710,976.75 is: 407,646,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,517,770.88 : 186,710,976.75 = 186,710,976.75 : x
  2. Step 2: Convert to fraction form
    85,517,770.88/186,710,976.75 = 186,710,976.75/x
  3. Step 3: Cross multiply
    85,517,770.88x = 186,710,976.75 × 186,710,976.75
  4. Step 4: Simplify right side
    85,517,770.88x = 34,860,988,838,939,040
  5. Step 5: Solve for x
    x = 34,860,988,838,939,040/85,517,770.88
  6. Step 6: Final answer
    x = 407,646,135.79

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Why These Related Problems?

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