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Finding the Third Proportional to 203,028,488 and 300,855,720

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Solution

The third proportional to 203,028,488 and 300,855,720 is: 445,820,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,028,488 : 300,855,720 = 300,855,720 : x
  2. Step 2: Convert to fraction form
    203,028,488/300,855,720 = 300,855,720/x
  3. Step 3: Cross multiply
    203,028,488x = 300,855,720 × 300,855,720
  4. Step 4: Simplify right side
    203,028,488x = 90,514,164,256,718,400
  5. Step 5: Solve for x
    x = 90,514,164,256,718,400/203,028,488
  6. Step 6: Final answer
    x = 445,820,018.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.