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Finding the Third Proportional to 85,659,684 and 130,497,118

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Solution

The third proportional to 85,659,684 and 130,497,118 is: 198,804,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,659,684 : 130,497,118 = 130,497,118 : x
  2. Step 2: Convert to fraction form
    85,659,684/130,497,118 = 130,497,118/x
  3. Step 3: Cross multiply
    85,659,684x = 130,497,118 × 130,497,118
  4. Step 4: Simplify right side
    85,659,684x = 17,029,497,806,305,924
  5. Step 5: Solve for x
    x = 17,029,497,806,305,924/85,659,684
  6. Step 6: Final answer
    x = 198,804,116.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.