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Finding the Third Proportional to 98,689,936.50 and 213,854,463

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Solution

The third proportional to 98,689,936.50 and 213,854,463 is: 463,408,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,689,936.50 : 213,854,463 = 213,854,463 : x
  2. Step 2: Convert to fraction form
    98,689,936.50/213,854,463 = 213,854,463/x
  3. Step 3: Cross multiply
    98,689,936.50x = 213,854,463 × 213,854,463
  4. Step 4: Simplify right side
    98,689,936.50x = 45,733,731,345,018,368
  5. Step 5: Solve for x
    x = 45,733,731,345,018,368/98,689,936.50
  6. Step 6: Final answer
    x = 463,408,255.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.