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Finding the Third Proportional to 1,218,878 and 2,625,063.50

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Solution

The third proportional to 1,218,878 and 2,625,063.50 is: 5,653,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,878 : 2,625,063.50 = 2,625,063.50 : x
  2. Step 2: Convert to fraction form
    1,218,878/2,625,063.50 = 2,625,063.50/x
  3. Step 3: Cross multiply
    1,218,878x = 2,625,063.50 × 2,625,063.50
  4. Step 4: Simplify right side
    1,218,878x = 6,890,958,379,032.25
  5. Step 5: Solve for x
    x = 6,890,958,379,032.25/1,218,878
  6. Step 6: Final answer
    x = 5,653,525.93

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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.