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Finding the Third Proportional to 74,070,422 and 162,802,628

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Solution

The third proportional to 74,070,422 and 162,802,628 is: 357,831,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,070,422 : 162,802,628 = 162,802,628 : x
  2. Step 2: Convert to fraction form
    74,070,422/162,802,628 = 162,802,628/x
  3. Step 3: Cross multiply
    74,070,422x = 162,802,628 × 162,802,628
  4. Step 4: Simplify right side
    74,070,422x = 26,504,695,683,706,384
  5. Step 5: Solve for x
    x = 26,504,695,683,706,384/74,070,422
  6. Step 6: Final answer
    x = 357,831,033.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.