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Finding the Third Proportional to 90,909,254 and 136,468,857

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Solution

The third proportional to 90,909,254 and 136,468,857 is: 204,860,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,909,254 : 136,468,857 = 136,468,857 : x
  2. Step 2: Convert to fraction form
    90,909,254/136,468,857 = 136,468,857/x
  3. Step 3: Cross multiply
    90,909,254x = 136,468,857 × 136,468,857
  4. Step 4: Simplify right side
    90,909,254x = 18,623,748,930,886,448
  5. Step 5: Solve for x
    x = 18,623,748,930,886,448/90,909,254
  6. Step 6: Final answer
    x = 204,860,870.72

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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.