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Finding the Third Proportional to 85,890,651 and 185,397,628

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Solution

The third proportional to 85,890,651 and 185,397,628 is: 400,186,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,890,651 : 185,397,628 = 185,397,628 : x
  2. Step 2: Convert to fraction form
    85,890,651/185,397,628 = 185,397,628/x
  3. Step 3: Cross multiply
    85,890,651x = 185,397,628 × 185,397,628
  4. Step 4: Simplify right side
    85,890,651x = 34,372,280,468,026,384
  5. Step 5: Solve for x
    x = 34,372,280,468,026,384/85,890,651
  6. Step 6: Final answer
    x = 400,186,517.02

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.