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Finding the Third Proportional to 158,421,888 and 252,080,316

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Solution

The third proportional to 158,421,888 and 252,080,316 is: 401,109,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,421,888 : 252,080,316 = 252,080,316 : x
  2. Step 2: Convert to fraction form
    158,421,888/252,080,316 = 252,080,316/x
  3. Step 3: Cross multiply
    158,421,888x = 252,080,316 × 252,080,316
  4. Step 4: Simplify right side
    158,421,888x = 63,544,485,714,659,856
  5. Step 5: Solve for x
    x = 63,544,485,714,659,856/158,421,888
  6. Step 6: Final answer
    x = 401,109,256.54

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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.