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Finding the Third Proportional to 216,203,328 and 335,055,636

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Solution

The third proportional to 216,203,328 and 335,055,636 is: 519,243,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,203,328 : 335,055,636 = 335,055,636 : x
  2. Step 2: Convert to fraction form
    216,203,328/335,055,636 = 335,055,636/x
  3. Step 3: Cross multiply
    216,203,328x = 335,055,636 × 335,055,636
  4. Step 4: Simplify right side
    216,203,328x = 112,262,279,215,364,496
  5. Step 5: Solve for x
    x = 112,262,279,215,364,496/216,203,328
  6. Step 6: Final answer
    x = 519,243,992.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.