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Finding the Third Proportional to 90,874,536 and 195,605,904

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Solution

The third proportional to 90,874,536 and 195,605,904 is: 421,038,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,536 : 195,605,904 = 195,605,904 : x
  2. Step 2: Convert to fraction form
    90,874,536/195,605,904 = 195,605,904/x
  3. Step 3: Cross multiply
    90,874,536x = 195,605,904 × 195,605,904
  4. Step 4: Simplify right side
    90,874,536x = 38,261,669,679,657,216
  5. Step 5: Solve for x
    x = 38,261,669,679,657,216/90,874,536
  6. Step 6: Final answer
    x = 421,038,404.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.