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Finding the Third Proportional to 90,909,255 and 136,468,858.50

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Solution

The third proportional to 90,909,255 and 136,468,858.50 is: 204,860,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,909,255 : 136,468,858.50 = 136,468,858.50 : x
  2. Step 2: Convert to fraction form
    90,909,255/136,468,858.50 = 136,468,858.50/x
  3. Step 3: Cross multiply
    90,909,255x = 136,468,858.50 × 136,468,858.50
  4. Step 4: Simplify right side
    90,909,255x = 18,623,749,340,293,024
  5. Step 5: Solve for x
    x = 18,623,749,340,293,024/90,909,255
  6. Step 6: Final answer
    x = 204,860,872.97

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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.