Home / 476,865,150.75-644,084,561.25

Finding the Third Proportional to 476,865,150.75 and 644,084,561.25

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Solution

The third proportional to 476,865,150.75 and 644,084,561.25 is: 869,941,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,865,150.75 : 644,084,561.25 = 644,084,561.25 : x
  2. Step 2: Convert to fraction form
    476,865,150.75/644,084,561.25 = 644,084,561.25/x
  3. Step 3: Cross multiply
    476,865,150.75x = 644,084,561.25 × 644,084,561.25
  4. Step 4: Simplify right side
    476,865,150.75x = 414,844,922,040,604,992
  5. Step 5: Solve for x
    x = 414,844,922,040,604,992/476,865,150.75
  6. Step 6: Final answer
    x = 869,941,788.34

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.