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Finding the Third Proportional to 59,820,630 and 130,138,860

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Solution

The third proportional to 59,820,630 and 130,138,860 is: 283,115,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,820,630 : 130,138,860 = 130,138,860 : x
  2. Step 2: Convert to fraction form
    59,820,630/130,138,860 = 130,138,860/x
  3. Step 3: Cross multiply
    59,820,630x = 130,138,860 × 130,138,860
  4. Step 4: Simplify right side
    59,820,630x = 16,936,122,882,099,600
  5. Step 5: Solve for x
    x = 16,936,122,882,099,600/59,820,630
  6. Step 6: Final answer
    x = 283,115,087.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.