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Finding the Third Proportional to 19,955,756 and 29,187,138

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Solution

The third proportional to 19,955,756 and 29,187,138 is: 42,688,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,756 : 29,187,138 = 29,187,138 : x
  2. Step 2: Convert to fraction form
    19,955,756/29,187,138 = 29,187,138/x
  3. Step 3: Cross multiply
    19,955,756x = 29,187,138 × 29,187,138
  4. Step 4: Simplify right side
    19,955,756x = 851,889,024,631,044
  5. Step 5: Solve for x
    x = 851,889,024,631,044/19,955,756
  6. Step 6: Final answer
    x = 42,688,887.59

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.