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Finding the Third Proportional to 98,593,416 and 212,775,660

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Solution

The third proportional to 98,593,416 and 212,775,660 is: 459,193,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,593,416 : 212,775,660 = 212,775,660 : x
  2. Step 2: Convert to fraction form
    98,593,416/212,775,660 = 212,775,660/x
  3. Step 3: Cross multiply
    98,593,416x = 212,775,660 × 212,775,660
  4. Step 4: Simplify right side
    98,593,416x = 45,273,481,488,435,600
  5. Step 5: Solve for x
    x = 45,273,481,488,435,600/98,593,416
  6. Step 6: Final answer
    x = 459,193,760.85

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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.