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Finding the Third Proportional to 4,385,991 and 6,578,986.50

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Solution

The third proportional to 4,385,991 and 6,578,986.50 is: 9,868,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385,991 : 6,578,986.50 = 6,578,986.50 : x
  2. Step 2: Convert to fraction form
    4,385,991/6,578,986.50 = 6,578,986.50/x
  3. Step 3: Cross multiply
    4,385,991x = 6,578,986.50 × 6,578,986.50
  4. Step 4: Simplify right side
    4,385,991x = 43,283,063,367,182.25
  5. Step 5: Solve for x
    x = 43,283,063,367,182.25/4,385,991
  6. Step 6: Final answer
    x = 9,868,479.75

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.