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Finding the Third Proportional to 8,858,856 and 13,666,057

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Solution

The third proportional to 8,858,856 and 13,666,057 is: 21,081,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,856 : 13,666,057 = 13,666,057 : x
  2. Step 2: Convert to fraction form
    8,858,856/13,666,057 = 13,666,057/x
  3. Step 3: Cross multiply
    8,858,856x = 13,666,057 × 13,666,057
  4. Step 4: Simplify right side
    8,858,856x = 186,761,113,927,249
  5. Step 5: Solve for x
    x = 186,761,113,927,249/8,858,856
  6. Step 6: Final answer
    x = 21,081,854.58

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.