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Finding the Third Proportional to 187,482,132 and 407,968,695

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Solution

The third proportional to 187,482,132 and 407,968,695 is: 887,756,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,482,132 : 407,968,695 = 407,968,695 : x
  2. Step 2: Convert to fraction form
    187,482,132/407,968,695 = 407,968,695/x
  3. Step 3: Cross multiply
    187,482,132x = 407,968,695 × 407,968,695
  4. Step 4: Simplify right side
    187,482,132x = 166,438,456,100,003,040
  5. Step 5: Solve for x
    x = 166,438,456,100,003,040/187,482,132
  6. Step 6: Final answer
    x = 887,756,365.50

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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.