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Finding the Third Proportional to 71,169,912 and 155,391,835.50

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Solution

The third proportional to 71,169,912 and 155,391,835.50 is: 339,281,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,169,912 : 155,391,835.50 = 155,391,835.50 : x
  2. Step 2: Convert to fraction form
    71,169,912/155,391,835.50 = 155,391,835.50/x
  3. Step 3: Cross multiply
    71,169,912x = 155,391,835.50 × 155,391,835.50
  4. Step 4: Simplify right side
    71,169,912x = 24,146,622,540,059,060
  5. Step 5: Solve for x
    x = 24,146,622,540,059,060/71,169,912
  6. Step 6: Final answer
    x = 339,281,331.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.