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Finding the Third Proportional to 90,874,532 and 195,605,896

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Solution

The third proportional to 90,874,532 and 195,605,896 is: 421,038,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,532 : 195,605,896 = 195,605,896 : x
  2. Step 2: Convert to fraction form
    90,874,532/195,605,896 = 195,605,896/x
  3. Step 3: Cross multiply
    90,874,532x = 195,605,896 × 195,605,896
  4. Step 4: Simplify right side
    90,874,532x = 38,261,666,549,962,816
  5. Step 5: Solve for x
    x = 38,261,666,549,962,816/90,874,532
  6. Step 6: Final answer
    x = 421,038,388.95

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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.