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Finding the Third Proportional to 80,697,845.50 and 172,615,000.50

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Solution

The third proportional to 80,697,845.50 and 172,615,000.50 is: 369,228,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,697,845.50 : 172,615,000.50 = 172,615,000.50 : x
  2. Step 2: Convert to fraction form
    80,697,845.50/172,615,000.50 = 172,615,000.50/x
  3. Step 3: Cross multiply
    80,697,845.50x = 172,615,000.50 × 172,615,000.50
  4. Step 4: Simplify right side
    80,697,845.50x = 29,795,938,397,615,000
  5. Step 5: Solve for x
    x = 29,795,938,397,615,000/80,697,845.50
  6. Step 6: Final answer
    x = 369,228,425.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.