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Finding the Third Proportional to 79,272,100 and 174,133,132

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Solution

The third proportional to 79,272,100 and 174,133,132 is: 382,509,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272,100 : 174,133,132 = 174,133,132 : x
  2. Step 2: Convert to fraction form
    79,272,100/174,133,132 = 174,133,132/x
  3. Step 3: Cross multiply
    79,272,100x = 174,133,132 × 174,133,132
  4. Step 4: Simplify right side
    79,272,100x = 30,322,347,660,129,424
  5. Step 5: Solve for x
    x = 30,322,347,660,129,424/79,272,100
  6. Step 6: Final answer
    x = 382,509,705.94

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.