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Finding the Third Proportional to 8,733,612,988 and 12,489,162,660

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Solution

The third proportional to 8,733,612,988 and 12,489,162,660 is: 17,859,640,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733,612,988 : 12,489,162,660 = 12,489,162,660 : x
  2. Step 2: Convert to fraction form
    8,733,612,988/12,489,162,660 = 12,489,162,660/x
  3. Step 3: Cross multiply
    8,733,612,988x = 12,489,162,660 × 12,489,162,660
  4. Step 4: Simplify right side
    8,733,612,988x = 155,979,183,947,938,267,136
  5. Step 5: Solve for x
    x = 155,979,183,947,938,267,136/8,733,612,988
  6. Step 6: Final answer
    x = 17,859,640,009.50

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.