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Finding the Third Proportional to 79,219,930 and 170,153,713

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Solution

The third proportional to 79,219,930 and 170,153,713 is: 365,467,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219,930 : 170,153,713 = 170,153,713 : x
  2. Step 2: Convert to fraction form
    79,219,930/170,153,713 = 170,153,713/x
  3. Step 3: Cross multiply
    79,219,930x = 170,153,713 × 170,153,713
  4. Step 4: Simplify right side
    79,219,930x = 28,952,286,047,686,368
  5. Step 5: Solve for x
    x = 28,952,286,047,686,368/79,219,930
  6. Step 6: Final answer
    x = 365,467,200.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.