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Finding the Third Proportional to 86,136,836 and 129,268,252

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Solution

The third proportional to 86,136,836 and 129,268,252 is: 193,996,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136,836 : 129,268,252 = 129,268,252 : x
  2. Step 2: Convert to fraction form
    86,136,836/129,268,252 = 129,268,252/x
  3. Step 3: Cross multiply
    86,136,836x = 129,268,252 × 129,268,252
  4. Step 4: Simplify right side
    86,136,836x = 16,710,280,975,135,504
  5. Step 5: Solve for x
    x = 16,710,280,975,135,504/86,136,836
  6. Step 6: Final answer
    x = 193,996,921.07

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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.