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Finding the Third Proportional to 166,574,280 and 259,348,940

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Solution

The third proportional to 166,574,280 and 259,348,940 is: 403,795,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,574,280 : 259,348,940 = 259,348,940 : x
  2. Step 2: Convert to fraction form
    166,574,280/259,348,940 = 259,348,940/x
  3. Step 3: Cross multiply
    166,574,280x = 259,348,940 × 259,348,940
  4. Step 4: Simplify right side
    166,574,280x = 67,261,872,679,123,600
  5. Step 5: Solve for x
    x = 67,261,872,679,123,600/166,574,280
  6. Step 6: Final answer
    x = 403,795,067.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.