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Finding the Third Proportional to 89,876,437.88 and 193,636,818

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Solution

The third proportional to 89,876,437.88 and 193,636,818 is: 417,186,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,876,437.88 : 193,636,818 = 193,636,818 : x
  2. Step 2: Convert to fraction form
    89,876,437.88/193,636,818 = 193,636,818/x
  3. Step 3: Cross multiply
    89,876,437.88x = 193,636,818 × 193,636,818
  4. Step 4: Simplify right side
    89,876,437.88x = 37,495,217,285,165,120
  5. Step 5: Solve for x
    x = 37,495,217,285,165,120/89,876,437.88
  6. Step 6: Final answer
    x = 417,186,285.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.