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Finding the Third Proportional to 68,971,090.50 and 114,947,187.75

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Solution

The third proportional to 68,971,090.50 and 114,947,187.75 is: 191,570,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,971,090.50 : 114,947,187.75 = 114,947,187.75 : x
  2. Step 2: Convert to fraction form
    68,971,090.50/114,947,187.75 = 114,947,187.75/x
  3. Step 3: Cross multiply
    68,971,090.50x = 114,947,187.75 × 114,947,187.75
  4. Step 4: Simplify right side
    68,971,090.50x = 13,212,855,971,633,750
  5. Step 5: Solve for x
    x = 13,212,855,971,633,750/68,971,090.50
  6. Step 6: Final answer
    x = 191,570,930.31

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.