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Finding the Third Proportional to 86,136,829.50 and 129,268,242

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Solution

The third proportional to 86,136,829.50 and 129,268,242 is: 193,996,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136,829.50 : 129,268,242 = 129,268,242 : x
  2. Step 2: Convert to fraction form
    86,136,829.50/129,268,242 = 129,268,242/x
  3. Step 3: Cross multiply
    86,136,829.50x = 129,268,242 × 129,268,242
  4. Step 4: Simplify right side
    86,136,829.50x = 16,710,278,389,770,564
  5. Step 5: Solve for x
    x = 16,710,278,389,770,564/86,136,829.50
  6. Step 6: Final answer
    x = 193,996,905.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.