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Finding the Third Proportional to 74,111,118 and 163,299,900

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Solution

The third proportional to 74,111,118 and 163,299,900 is: 359,822,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,111,118 : 163,299,900 = 163,299,900 : x
  2. Step 2: Convert to fraction form
    74,111,118/163,299,900 = 163,299,900/x
  3. Step 3: Cross multiply
    74,111,118x = 163,299,900 × 163,299,900
  4. Step 4: Simplify right side
    74,111,118x = 26,666,857,340,010,000
  5. Step 5: Solve for x
    x = 26,666,857,340,010,000/74,111,118
  6. Step 6: Final answer
    x = 359,822,629.31

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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.