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Finding the Third Proportional to 71,706,426 and 158,485,740

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Solution

The third proportional to 71,706,426 and 158,485,740 is: 350,285,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,706,426 : 158,485,740 = 158,485,740 : x
  2. Step 2: Convert to fraction form
    71,706,426/158,485,740 = 158,485,740/x
  3. Step 3: Cross multiply
    71,706,426x = 158,485,740 × 158,485,740
  4. Step 4: Simplify right side
    71,706,426x = 25,117,729,783,347,600
  5. Step 5: Solve for x
    x = 25,117,729,783,347,600/71,706,426
  6. Step 6: Final answer
    x = 350,285,618.52

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.