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Finding the Third Proportional to 112,563,678 and 168,182,856

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Solution

The third proportional to 112,563,678 and 168,182,856 is: 251,284,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,563,678 : 168,182,856 = 168,182,856 : x
  2. Step 2: Convert to fraction form
    112,563,678/168,182,856 = 168,182,856/x
  3. Step 3: Cross multiply
    112,563,678x = 168,182,856 × 168,182,856
  4. Step 4: Simplify right side
    112,563,678x = 28,285,473,052,316,736
  5. Step 5: Solve for x
    x = 28,285,473,052,316,736/112,563,678
  6. Step 6: Final answer
    x = 251,284,193.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.