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Finding the Third Proportional to 134,408,690 and 211,196,834

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Solution

The third proportional to 134,408,690 and 211,196,834 is: 331,854,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,408,690 : 211,196,834 = 211,196,834 : x
  2. Step 2: Convert to fraction form
    134,408,690/211,196,834 = 211,196,834/x
  3. Step 3: Cross multiply
    134,408,690x = 211,196,834 × 211,196,834
  4. Step 4: Simplify right side
    134,408,690x = 44,604,102,691,623,552
  5. Step 5: Solve for x
    x = 44,604,102,691,623,552/134,408,690
  6. Step 6: Final answer
    x = 331,854,307.13

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.