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Finding the Third Proportional to 208,205,142 and 452,252,055

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Solution

The third proportional to 208,205,142 and 452,252,055 is: 982,357,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,205,142 : 452,252,055 = 452,252,055 : x
  2. Step 2: Convert to fraction form
    208,205,142/452,252,055 = 452,252,055/x
  3. Step 3: Cross multiply
    208,205,142x = 452,252,055 × 452,252,055
  4. Step 4: Simplify right side
    208,205,142x = 204,531,921,251,723,040
  5. Step 5: Solve for x
    x = 204,531,921,251,723,040/208,205,142
  6. Step 6: Final answer
    x = 982,357,684.77

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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.