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Finding the Third Proportional to 3,485,651 and 5,280,641

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Solution

The third proportional to 3,485,651 and 5,280,641 is: 7,999,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,651 : 5,280,641 = 5,280,641 : x
  2. Step 2: Convert to fraction form
    3,485,651/5,280,641 = 5,280,641/x
  3. Step 3: Cross multiply
    3,485,651x = 5,280,641 × 5,280,641
  4. Step 4: Simplify right side
    3,485,651x = 27,885,169,370,881
  5. Step 5: Solve for x
    x = 27,885,169,370,881/3,485,651
  6. Step 6: Final answer
    x = 7,999,988.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.