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Finding the Third Proportional to 3,992,712 and 6,143,280

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Solution

The third proportional to 3,992,712 and 6,143,280 is: 9,452,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,712 : 6,143,280 = 6,143,280 : x
  2. Step 2: Convert to fraction form
    3,992,712/6,143,280 = 6,143,280/x
  3. Step 3: Cross multiply
    3,992,712x = 6,143,280 × 6,143,280
  4. Step 4: Simplify right side
    3,992,712x = 37,739,889,158,400
  5. Step 5: Solve for x
    x = 37,739,889,158,400/3,992,712
  6. Step 6: Final answer
    x = 9,452,194.19

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.