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Finding the Third Proportional to 1,469,517,678 and 3,172,803,786

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Solution

The third proportional to 1,469,517,678 and 3,172,803,786 is: 6,850,331,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,517,678 : 3,172,803,786 = 3,172,803,786 : x
  2. Step 2: Convert to fraction form
    1,469,517,678/3,172,803,786 = 3,172,803,786/x
  3. Step 3: Cross multiply
    1,469,517,678x = 3,172,803,786 × 3,172,803,786
  4. Step 4: Simplify right side
    1,469,517,678x = 10,066,683,864,455,933,952
  5. Step 5: Solve for x
    x = 10,066,683,864,455,933,952/1,469,517,678
  6. Step 6: Final answer
    x = 6,850,331,925.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.