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Finding the Third Proportional to 71,058,548 and 155,489,953

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Solution

The third proportional to 71,058,548 and 155,489,953 is: 340,242,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,058,548 : 155,489,953 = 155,489,953 : x
  2. Step 2: Convert to fraction form
    71,058,548/155,489,953 = 155,489,953/x
  3. Step 3: Cross multiply
    71,058,548x = 155,489,953 × 155,489,953
  4. Step 4: Simplify right side
    71,058,548x = 24,177,125,483,942,208
  5. Step 5: Solve for x
    x = 24,177,125,483,942,208/71,058,548
  6. Step 6: Final answer
    x = 340,242,323.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.