Home / 269,561,985.75-385,211,102.63

Finding the Third Proportional to 269,561,985.75 and 385,211,102.63

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Solution

The third proportional to 269,561,985.75 and 385,211,102.63 is: 550,476,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,561,985.75 : 385,211,102.63 = 385,211,102.63 : x
  2. Step 2: Convert to fraction form
    269,561,985.75/385,211,102.63 = 385,211,102.63/x
  3. Step 3: Cross multiply
    269,561,985.75x = 385,211,102.63 × 385,211,102.63
  4. Step 4: Simplify right side
    269,561,985.75x = 148,387,593,585,568,288
  5. Step 5: Solve for x
    x = 148,387,593,585,568,288/269,561,985.75
  6. Step 6: Final answer
    x = 550,476,704.54

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.