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Finding the Third Proportional to 8,887,356 and 13,272,900

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Solution

The third proportional to 8,887,356 and 13,272,900 is: 19,822,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887,356 : 13,272,900 = 13,272,900 : x
  2. Step 2: Convert to fraction form
    8,887,356/13,272,900 = 13,272,900/x
  3. Step 3: Cross multiply
    8,887,356x = 13,272,900 × 13,272,900
  4. Step 4: Simplify right side
    8,887,356x = 176,169,874,410,000
  5. Step 5: Solve for x
    x = 176,169,874,410,000/8,887,356
  6. Step 6: Final answer
    x = 19,822,529.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.