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Finding the Third Proportional to 171,345,787 and 261,036,184

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Solution

The third proportional to 171,345,787 and 261,036,184 is: 397,674,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,345,787 : 261,036,184 = 261,036,184 : x
  2. Step 2: Convert to fraction form
    171,345,787/261,036,184 = 261,036,184/x
  3. Step 3: Cross multiply
    171,345,787x = 261,036,184 × 261,036,184
  4. Step 4: Simplify right side
    171,345,787x = 68,139,889,357,281,856
  5. Step 5: Solve for x
    x = 68,139,889,357,281,856/171,345,787
  6. Step 6: Final answer
    x = 397,674,728.69

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.