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Finding the Third Proportional to 99,679,124 and 145,734,364

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Solution

The third proportional to 99,679,124 and 145,734,364 is: 213,068,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,679,124 : 145,734,364 = 145,734,364 : x
  2. Step 2: Convert to fraction form
    99,679,124/145,734,364 = 145,734,364/x
  3. Step 3: Cross multiply
    99,679,124x = 145,734,364 × 145,734,364
  4. Step 4: Simplify right side
    99,679,124x = 21,238,504,850,484,496
  5. Step 5: Solve for x
    x = 21,238,504,850,484,496/99,679,124
  6. Step 6: Final answer
    x = 213,068,734.94

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.