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Finding the Third Proportional to 77,639,209 and 166,184,882

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Solution

The third proportional to 77,639,209 and 166,184,882 is: 355,714,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,639,209 : 166,184,882 = 166,184,882 : x
  2. Step 2: Convert to fraction form
    77,639,209/166,184,882 = 166,184,882/x
  3. Step 3: Cross multiply
    77,639,209x = 166,184,882 × 166,184,882
  4. Step 4: Simplify right side
    77,639,209x = 27,617,415,005,353,924
  5. Step 5: Solve for x
    x = 27,617,415,005,353,924/77,639,209
  6. Step 6: Final answer
    x = 355,714,791.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.