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Finding the Third Proportional to 9,992,632 and 21,500,856

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Solution

The third proportional to 9,992,632 and 21,500,856 is: 46,262,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992,632 : 21,500,856 = 21,500,856 : x
  2. Step 2: Convert to fraction form
    9,992,632/21,500,856 = 21,500,856/x
  3. Step 3: Cross multiply
    9,992,632x = 21,500,856 × 21,500,856
  4. Step 4: Simplify right side
    9,992,632x = 462,286,808,732,736
  5. Step 5: Solve for x
    x = 462,286,808,732,736/9,992,632
  6. Step 6: Final answer
    x = 46,262,767.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.