Home / 350,737,121.25-490,351,164.75

Finding the Third Proportional to 350,737,121.25 and 490,351,164.75

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Solution

The third proportional to 350,737,121.25 and 490,351,164.75 is: 685,539,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,737,121.25 : 490,351,164.75 = 490,351,164.75 : x
  2. Step 2: Convert to fraction form
    350,737,121.25/490,351,164.75 = 490,351,164.75/x
  3. Step 3: Cross multiply
    350,737,121.25x = 490,351,164.75 × 490,351,164.75
  4. Step 4: Simplify right side
    350,737,121.25x = 240,444,264,771,681,632
  5. Step 5: Solve for x
    x = 240,444,264,771,681,632/350,737,121.25
  6. Step 6: Final answer
    x = 685,539,825.14

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.