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Finding the Third Proportional to 118,283,400 and 258,864,906

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Solution

The third proportional to 118,283,400 and 258,864,906 is: 566,529,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,283,400 : 258,864,906 = 258,864,906 : x
  2. Step 2: Convert to fraction form
    118,283,400/258,864,906 = 258,864,906/x
  3. Step 3: Cross multiply
    118,283,400x = 258,864,906 × 258,864,906
  4. Step 4: Simplify right side
    118,283,400x = 67,011,039,558,388,832
  5. Step 5: Solve for x
    x = 67,011,039,558,388,832/118,283,400
  6. Step 6: Final answer
    x = 566,529,534.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.