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Finding the Third Proportional to 8,561,586 and 12,558,555

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Solution

The third proportional to 8,561,586 and 12,558,555 is: 18,421,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,586 : 12,558,555 = 12,558,555 : x
  2. Step 2: Convert to fraction form
    8,561,586/12,558,555 = 12,558,555/x
  3. Step 3: Cross multiply
    8,561,586x = 12,558,555 × 12,558,555
  4. Step 4: Simplify right side
    8,561,586x = 157,717,303,688,025
  5. Step 5: Solve for x
    x = 157,717,303,688,025/8,561,586
  6. Step 6: Final answer
    x = 18,421,505.51

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.