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Finding the Third Proportional to 158,421,472 and 252,079,712

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Solution

The third proportional to 158,421,472 and 252,079,712 is: 401,108,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,421,472 : 252,079,712 = 252,079,712 : x
  2. Step 2: Convert to fraction form
    158,421,472/252,079,712 = 252,079,712/x
  3. Step 3: Cross multiply
    158,421,472x = 252,079,712 × 252,079,712
  4. Step 4: Simplify right side
    158,421,472x = 63,544,181,202,002,944
  5. Step 5: Solve for x
    x = 63,544,181,202,002,944/158,421,472
  6. Step 6: Final answer
    x = 401,108,387.64

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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.