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Finding the Third Proportional to 86,177,552.63 and 128,960,994.38

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Solution

The third proportional to 86,177,552.63 and 128,960,994.38 is: 192,984,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,177,552.63 : 128,960,994.38 = 128,960,994.38 : x
  2. Step 2: Convert to fraction form
    86,177,552.63/128,960,994.38 = 128,960,994.38/x
  3. Step 3: Cross multiply
    86,177,552.63x = 128,960,994.38 × 128,960,994.38
  4. Step 4: Simplify right side
    86,177,552.63x = 16,630,938,070,188,782
  5. Step 5: Solve for x
    x = 16,630,938,070,188,782/86,177,552.63
  6. Step 6: Final answer
    x = 192,984,571.55

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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.