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Finding the Third Proportional to 90,874,586 and 195,606,008

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Solution

The third proportional to 90,874,586 and 195,606,008 is: 421,038,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,586 : 195,606,008 = 195,606,008 : x
  2. Step 2: Convert to fraction form
    90,874,586/195,606,008 = 195,606,008/x
  3. Step 3: Cross multiply
    90,874,586x = 195,606,008 × 195,606,008
  4. Step 4: Simplify right side
    90,874,586x = 38,261,710,365,696,064
  5. Step 5: Solve for x
    x = 38,261,710,365,696,064/90,874,586
  6. Step 6: Final answer
    x = 421,038,620.92

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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.