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Finding the Third Proportional to 136,620,472 and 211,314,808

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Solution

The third proportional to 136,620,472 and 211,314,808 is: 326,846,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,620,472 : 211,314,808 = 211,314,808 : x
  2. Step 2: Convert to fraction form
    136,620,472/211,314,808 = 211,314,808/x
  3. Step 3: Cross multiply
    136,620,472x = 211,314,808 × 211,314,808
  4. Step 4: Simplify right side
    136,620,472x = 44,653,948,080,076,864
  5. Step 5: Solve for x
    x = 44,653,948,080,076,864/136,620,472
  6. Step 6: Final answer
    x = 326,846,682.83

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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.