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Finding the Third Proportional to 86,199,184 and 191,530,280

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Solution

The third proportional to 86,199,184 and 191,530,280 is: 425,570,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,199,184 : 191,530,280 = 191,530,280 : x
  2. Step 2: Convert to fraction form
    86,199,184/191,530,280 = 191,530,280/x
  3. Step 3: Cross multiply
    86,199,184x = 191,530,280 × 191,530,280
  4. Step 4: Simplify right side
    86,199,184x = 36,683,848,156,878,400
  5. Step 5: Solve for x
    x = 36,683,848,156,878,400/86,199,184
  6. Step 6: Final answer
    x = 425,570,712.56

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.