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Finding the Third Proportional to 65,693,178 and 155,074,917

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Solution

The third proportional to 65,693,178 and 155,074,917 is: 366,068,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,693,178 : 155,074,917 = 155,074,917 : x
  2. Step 2: Convert to fraction form
    65,693,178/155,074,917 = 155,074,917/x
  3. Step 3: Cross multiply
    65,693,178x = 155,074,917 × 155,074,917
  4. Step 4: Simplify right side
    65,693,178x = 24,048,229,882,556,888
  5. Step 5: Solve for x
    x = 24,048,229,882,556,888/65,693,178
  6. Step 6: Final answer
    x = 366,068,907.22

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.