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Finding the Third Proportional to 156,753,243 and 219,245,562

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Solution

The third proportional to 156,753,243 and 219,245,562 is: 306,651,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,753,243 : 219,245,562 = 219,245,562 : x
  2. Step 2: Convert to fraction form
    156,753,243/219,245,562 = 219,245,562/x
  3. Step 3: Cross multiply
    156,753,243x = 219,245,562 × 219,245,562
  4. Step 4: Simplify right side
    156,753,243x = 48,068,616,456,695,840
  5. Step 5: Solve for x
    x = 48,068,616,456,695,840/156,753,243
  6. Step 6: Final answer
    x = 306,651,495.92

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.