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Finding the Third Proportional to 3,009,475 and 6,489,155

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Solution

The third proportional to 3,009,475 and 6,489,155 is: 13,992,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,475 : 6,489,155 = 6,489,155 : x
  2. Step 2: Convert to fraction form
    3,009,475/6,489,155 = 6,489,155/x
  3. Step 3: Cross multiply
    3,009,475x = 6,489,155 × 6,489,155
  4. Step 4: Simplify right side
    3,009,475x = 42,109,132,614,025
  5. Step 5: Solve for x
    x = 42,109,132,614,025/3,009,475
  6. Step 6: Final answer
    x = 13,992,185.55

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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.