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Finding the Third Proportional to 3,212,628 and 6,985,128

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Solution

The third proportional to 3,212,628 and 6,985,128 is: 15,187,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,628 : 6,985,128 = 6,985,128 : x
  2. Step 2: Convert to fraction form
    3,212,628/6,985,128 = 6,985,128/x
  3. Step 3: Cross multiply
    3,212,628x = 6,985,128 × 6,985,128
  4. Step 4: Simplify right side
    3,212,628x = 48,792,013,176,384
  5. Step 5: Solve for x
    x = 48,792,013,176,384/3,212,628
  6. Step 6: Final answer
    x = 15,187,570.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.