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Finding the Third Proportional to 71,658,886 and 108,082,221

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Solution

The third proportional to 71,658,886 and 108,082,221 is: 163,019,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,658,886 : 108,082,221 = 108,082,221 : x
  2. Step 2: Convert to fraction form
    71,658,886/108,082,221 = 108,082,221/x
  3. Step 3: Cross multiply
    71,658,886x = 108,082,221 × 108,082,221
  4. Step 4: Simplify right side
    71,658,886x = 11,681,766,496,292,840
  5. Step 5: Solve for x
    x = 11,681,766,496,292,840/71,658,886
  6. Step 6: Final answer
    x = 163,019,091.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.