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Finding the Third Proportional to 395,660,868 and 605,240,520

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Solution

The third proportional to 395,660,868 and 605,240,520 is: 925,833,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,660,868 : 605,240,520 = 605,240,520 : x
  2. Step 2: Convert to fraction form
    395,660,868/605,240,520 = 605,240,520/x
  3. Step 3: Cross multiply
    395,660,868x = 605,240,520 × 605,240,520
  4. Step 4: Simplify right side
    395,660,868x = 366,316,087,049,870,400
  5. Step 5: Solve for x
    x = 366,316,087,049,870,400/395,660,868
  6. Step 6: Final answer
    x = 925,833,502.06

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.