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Finding the Third Proportional to 211,610,421 and 326,850,957

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Solution

The third proportional to 211,610,421 and 326,850,957 is: 504,850,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,610,421 : 326,850,957 = 326,850,957 : x
  2. Step 2: Convert to fraction form
    211,610,421/326,850,957 = 326,850,957/x
  3. Step 3: Cross multiply
    211,610,421x = 326,850,957 × 326,850,957
  4. Step 4: Simplify right side
    211,610,421x = 106,831,548,091,815,856
  5. Step 5: Solve for x
    x = 106,831,548,091,815,856/211,610,421
  6. Step 6: Final answer
    x = 504,850,127.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.