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Finding the Third Proportional to 79,390,800 and 170,946,520

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Solution

The third proportional to 79,390,800 and 170,946,520 is: 368,086,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390,800 : 170,946,520 = 170,946,520 : x
  2. Step 2: Convert to fraction form
    79,390,800/170,946,520 = 170,946,520/x
  3. Step 3: Cross multiply
    79,390,800x = 170,946,520 × 170,946,520
  4. Step 4: Simplify right side
    79,390,800x = 29,222,712,700,110,400
  5. Step 5: Solve for x
    x = 29,222,712,700,110,400/79,390,800
  6. Step 6: Final answer
    x = 368,086,890.42

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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.