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Finding the Third Proportional to 158,278,392 and 343,628,568

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Solution

The third proportional to 158,278,392 and 343,628,568 is: 746,031,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,278,392 : 343,628,568 = 343,628,568 : x
  2. Step 2: Convert to fraction form
    158,278,392/343,628,568 = 343,628,568/x
  3. Step 3: Cross multiply
    158,278,392x = 343,628,568 × 343,628,568
  4. Step 4: Simplify right side
    158,278,392x = 118,080,592,745,730,624
  5. Step 5: Solve for x
    x = 118,080,592,745,730,624/158,278,392
  6. Step 6: Final answer
    x = 746,031,035.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.