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Finding the Third Proportional to 70,905,412 and 154,234,184

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Solution

The third proportional to 70,905,412 and 154,234,184 is: 335,491,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905,412 : 154,234,184 = 154,234,184 : x
  2. Step 2: Convert to fraction form
    70,905,412/154,234,184 = 154,234,184/x
  3. Step 3: Cross multiply
    70,905,412x = 154,234,184 × 154,234,184
  4. Step 4: Simplify right side
    70,905,412x = 23,788,183,514,145,856
  5. Step 5: Solve for x
    x = 23,788,183,514,145,856/70,905,412
  6. Step 6: Final answer
    x = 335,491,788.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.