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Finding the Third Proportional to 39,161,656 and 84,831,932

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Solution

The third proportional to 39,161,656 and 84,831,932 is: 183,762,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161,656 : 84,831,932 = 84,831,932 : x
  2. Step 2: Convert to fraction form
    39,161,656/84,831,932 = 84,831,932/x
  3. Step 3: Cross multiply
    39,161,656x = 84,831,932 × 84,831,932
  4. Step 4: Simplify right side
    39,161,656x = 7,196,456,686,852,624
  5. Step 5: Solve for x
    x = 7,196,456,686,852,624/39,161,656
  6. Step 6: Final answer
    x = 183,762,828.79

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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.