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Finding the Third Proportional to 86,806,742 and 187,242,652

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Solution

The third proportional to 86,806,742 and 187,242,652 is: 403,883,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806,742 : 187,242,652 = 187,242,652 : x
  2. Step 2: Convert to fraction form
    86,806,742/187,242,652 = 187,242,652/x
  3. Step 3: Cross multiply
    86,806,742x = 187,242,652 × 187,242,652
  4. Step 4: Simplify right side
    86,806,742x = 35,059,810,727,993,104
  5. Step 5: Solve for x
    x = 35,059,810,727,993,104/86,806,742
  6. Step 6: Final answer
    x = 403,883,499.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.