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Finding the Third Proportional to 39,161,654 and 84,831,928

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Solution

The third proportional to 39,161,654 and 84,831,928 is: 183,762,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161,654 : 84,831,928 = 84,831,928 : x
  2. Step 2: Convert to fraction form
    39,161,654/84,831,928 = 84,831,928/x
  3. Step 3: Cross multiply
    39,161,654x = 84,831,928 × 84,831,928
  4. Step 4: Simplify right side
    39,161,654x = 7,196,456,008,197,184
  5. Step 5: Solve for x
    x = 7,196,456,008,197,184/39,161,654
  6. Step 6: Final answer
    x = 183,762,820.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.