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Finding the Third Proportional to 4,151,260 and 9,119,768

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Solution

The third proportional to 4,151,260 and 9,119,768 is: 20,034,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151,260 : 9,119,768 = 9,119,768 : x
  2. Step 2: Convert to fraction form
    4,151,260/9,119,768 = 9,119,768/x
  3. Step 3: Cross multiply
    4,151,260x = 9,119,768 × 9,119,768
  4. Step 4: Simplify right side
    4,151,260x = 83,170,168,373,824
  5. Step 5: Solve for x
    x = 83,170,168,373,824/4,151,260
  6. Step 6: Final answer
    x = 20,034,921.54

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.