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Finding the Third Proportional to 90,590,308.88 and 138,520,160.44

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Solution

The third proportional to 90,590,308.88 and 138,520,160.44 is: 211,808,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,590,308.88 : 138,520,160.44 = 138,520,160.44 : x
  2. Step 2: Convert to fraction form
    90,590,308.88/138,520,160.44 = 138,520,160.44/x
  3. Step 3: Cross multiply
    90,590,308.88x = 138,520,160.44 × 138,520,160.44
  4. Step 4: Simplify right side
    90,590,308.88x = 19,187,834,847,630,740
  5. Step 5: Solve for x
    x = 19,187,834,847,630,740/90,590,308.88
  6. Step 6: Final answer
    x = 211,808,912.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.