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Finding the Third Proportional to 79,507,299 and 168,181,680

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Solution

The third proportional to 79,507,299 and 168,181,680 is: 355,754,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,507,299 : 168,181,680 = 168,181,680 : x
  2. Step 2: Convert to fraction form
    79,507,299/168,181,680 = 168,181,680/x
  3. Step 3: Cross multiply
    79,507,299x = 168,181,680 × 168,181,680
  4. Step 4: Simplify right side
    79,507,299x = 28,285,077,487,622,400
  5. Step 5: Solve for x
    x = 28,285,077,487,622,400/79,507,299
  6. Step 6: Final answer
    x = 355,754,475.92

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.