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Finding the Third Proportional to 4,272,240 and 6,409,206

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Solution

The third proportional to 4,272,240 and 6,409,206 is: 9,615,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,240 : 6,409,206 = 6,409,206 : x
  2. Step 2: Convert to fraction form
    4,272,240/6,409,206 = 6,409,206/x
  3. Step 3: Cross multiply
    4,272,240x = 6,409,206 × 6,409,206
  4. Step 4: Simplify right side
    4,272,240x = 41,077,921,550,436
  5. Step 5: Solve for x
    x = 41,077,921,550,436/4,272,240
  6. Step 6: Final answer
    x = 9,615,078.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.