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Finding the Third Proportional to 4,403,972 and 6,436,020

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Solution

The third proportional to 4,403,972 and 6,436,020 is: 9,405,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403,972 : 6,436,020 = 6,436,020 : x
  2. Step 2: Convert to fraction form
    4,403,972/6,436,020 = 6,436,020/x
  3. Step 3: Cross multiply
    4,403,972x = 6,436,020 × 6,436,020
  4. Step 4: Simplify right side
    4,403,972x = 41,422,353,440,400
  5. Step 5: Solve for x
    x = 41,422,353,440,400/4,403,972
  6. Step 6: Final answer
    x = 9,405,680.47

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.