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Finding the Third Proportional to 485,153,170.88 and 792,127,612.13

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Solution

The third proportional to 485,153,170.88 and 792,127,612.13 is: 1,293,336,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,153,170.88 : 792,127,612.13 = 792,127,612.13 : x
  2. Step 2: Convert to fraction form
    485,153,170.88/792,127,612.13 = 792,127,612.13/x
  3. Step 3: Cross multiply
    485,153,170.88x = 792,127,612.13 × 792,127,612.13
  4. Step 4: Simplify right side
    485,153,170.88x = 627,466,153,890,854,400
  5. Step 5: Solve for x
    x = 627,466,153,890,854,400/485,153,170.88
  6. Step 6: Final answer
    x = 1,293,336,190.63

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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.