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Finding the Third Proportional to 8,561,616 and 12,558,596

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Solution

The third proportional to 8,561,616 and 12,558,596 is: 18,421,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,616 : 12,558,596 = 12,558,596 : x
  2. Step 2: Convert to fraction form
    8,561,616/12,558,596 = 12,558,596/x
  3. Step 3: Cross multiply
    8,561,616x = 12,558,596 × 12,558,596
  4. Step 4: Simplify right side
    8,561,616x = 157,718,333,491,216
  5. Step 5: Solve for x
    x = 157,718,333,491,216/8,561,616
  6. Step 6: Final answer
    x = 18,421,561.24

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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.