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Finding the Third Proportional to 6,917,726 and 10,992,412

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Solution

The third proportional to 6,917,726 and 10,992,412 is: 17,467,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917,726 : 10,992,412 = 10,992,412 : x
  2. Step 2: Convert to fraction form
    6,917,726/10,992,412 = 10,992,412/x
  3. Step 3: Cross multiply
    6,917,726x = 10,992,412 × 10,992,412
  4. Step 4: Simplify right side
    6,917,726x = 120,833,121,577,744
  5. Step 5: Solve for x
    x = 120,833,121,577,744/6,917,726
  6. Step 6: Final answer
    x = 17,467,173.69

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.