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Finding the Third Proportional to 158,421,474 and 252,079,715

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Solution

The third proportional to 158,421,474 and 252,079,715 is: 401,108,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,421,474 : 252,079,715 = 252,079,715 : x
  2. Step 2: Convert to fraction form
    158,421,474/252,079,715 = 252,079,715/x
  3. Step 3: Cross multiply
    158,421,474x = 252,079,715 × 252,079,715
  4. Step 4: Simplify right side
    158,421,474x = 63,544,182,714,481,224
  5. Step 5: Solve for x
    x = 63,544,182,714,481,224/158,421,474
  6. Step 6: Final answer
    x = 401,108,392.13

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.