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Finding the Third Proportional to 518,081,300 and 845,890,578

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Solution

The third proportional to 518,081,300 and 845,890,578 is: 1,381,116,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,081,300 : 845,890,578 = 845,890,578 : x
  2. Step 2: Convert to fraction form
    518,081,300/845,890,578 = 845,890,578/x
  3. Step 3: Cross multiply
    518,081,300x = 845,890,578 × 845,890,578
  4. Step 4: Simplify right side
    518,081,300x = 715,530,869,949,174,144
  5. Step 5: Solve for x
    x = 715,530,869,949,174,144/518,081,300
  6. Step 6: Final answer
    x = 1,381,116,959.73

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.