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Finding the Third Proportional to 136,620,476 and 211,314,814

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Solution

The third proportional to 136,620,476 and 211,314,814 is: 326,846,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,620,476 : 211,314,814 = 211,314,814 : x
  2. Step 2: Convert to fraction form
    136,620,476/211,314,814 = 211,314,814/x
  3. Step 3: Cross multiply
    136,620,476x = 211,314,814 × 211,314,814
  4. Step 4: Simplify right side
    136,620,476x = 44,653,950,615,854,592
  5. Step 5: Solve for x
    x = 44,653,950,615,854,592/136,620,476
  6. Step 6: Final answer
    x = 326,846,691.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.