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Finding the Third Proportional to 90,744,679 and 139,481,074.50

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Solution

The third proportional to 90,744,679 and 139,481,074.50 is: 214,392,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744,679 : 139,481,074.50 = 139,481,074.50 : x
  2. Step 2: Convert to fraction form
    90,744,679/139,481,074.50 = 139,481,074.50/x
  3. Step 3: Cross multiply
    90,744,679x = 139,481,074.50 × 139,481,074.50
  4. Step 4: Simplify right side
    90,744,679x = 19,454,970,143,674,552
  5. Step 5: Solve for x
    x = 19,454,970,143,674,552/90,744,679
  6. Step 6: Final answer
    x = 214,392,406.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.