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Finding the Third Proportional to 171,345,752 and 261,036,149

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Solution

The third proportional to 171,345,752 and 261,036,149 is: 397,674,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,345,752 : 261,036,149 = 261,036,149 : x
  2. Step 2: Convert to fraction form
    171,345,752/261,036,149 = 261,036,149/x
  3. Step 3: Cross multiply
    171,345,752x = 261,036,149 × 261,036,149
  4. Step 4: Simplify right side
    171,345,752x = 68,139,871,084,750,200
  5. Step 5: Solve for x
    x = 68,139,871,084,750,200/171,345,752
  6. Step 6: Final answer
    x = 397,674,703.28

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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.