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Finding the Third Proportional to 19,781,295 and 41,688,029

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Solution

The third proportional to 19,781,295 and 41,688,029 is: 87,855,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,295 : 41,688,029 = 41,688,029 : x
  2. Step 2: Convert to fraction form
    19,781,295/41,688,029 = 41,688,029/x
  3. Step 3: Cross multiply
    19,781,295x = 41,688,029 × 41,688,029
  4. Step 4: Simplify right side
    19,781,295x = 1,737,891,761,904,841
  5. Step 5: Solve for x
    x = 1,737,891,761,904,841/19,781,295
  6. Step 6: Final answer
    x = 87,855,307.85

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.