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Finding the Third Proportional to 2,009,911 and 4,334,939

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Solution

The third proportional to 2,009,911 and 4,334,939 is: 9,349,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,911 : 4,334,939 = 4,334,939 : x
  2. Step 2: Convert to fraction form
    2,009,911/4,334,939 = 4,334,939/x
  3. Step 3: Cross multiply
    2,009,911x = 4,334,939 × 4,334,939
  4. Step 4: Simplify right side
    2,009,911x = 18,791,696,133,721
  5. Step 5: Solve for x
    x = 18,791,696,133,721/2,009,911
  6. Step 6: Final answer
    x = 9,349,516.54

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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.