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Finding the Third Proportional to 9,133,831 and 19,875,578

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Solution

The third proportional to 9,133,831 and 19,875,578 is: 43,250,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133,831 : 19,875,578 = 19,875,578 : x
  2. Step 2: Convert to fraction form
    9,133,831/19,875,578 = 19,875,578/x
  3. Step 3: Cross multiply
    9,133,831x = 19,875,578 × 19,875,578
  4. Step 4: Simplify right side
    9,133,831x = 395,038,600,834,084
  5. Step 5: Solve for x
    x = 395,038,600,834,084/9,133,831
  6. Step 6: Final answer
    x = 43,250,044.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.