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Finding the Third Proportional to 386,778,240 and 599,774,544

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Solution

The third proportional to 386,778,240 and 599,774,544 is: 930,066,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,778,240 : 599,774,544 = 599,774,544 : x
  2. Step 2: Convert to fraction form
    386,778,240/599,774,544 = 599,774,544/x
  3. Step 3: Cross multiply
    386,778,240x = 599,774,544 × 599,774,544
  4. Step 4: Simplify right side
    386,778,240x = 359,729,503,630,407,936
  5. Step 5: Solve for x
    x = 359,729,503,630,407,936/386,778,240
  6. Step 6: Final answer
    x = 930,066,550.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.