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Finding the Third Proportional to 91,992,157 and 186,687,518

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Solution

The third proportional to 91,992,157 and 186,687,518 is: 378,860,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,992,157 : 186,687,518 = 186,687,518 : x
  2. Step 2: Convert to fraction form
    91,992,157/186,687,518 = 186,687,518/x
  3. Step 3: Cross multiply
    91,992,157x = 186,687,518 × 186,687,518
  4. Step 4: Simplify right side
    91,992,157x = 34,852,229,377,000,324
  5. Step 5: Solve for x
    x = 34,852,229,377,000,324/91,992,157
  6. Step 6: Final answer
    x = 378,860,878.07

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.