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Finding the Third Proportional to 19,774,920 and 43,320,138

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Solution

The third proportional to 19,774,920 and 43,320,138 is: 94,899,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774,920 : 43,320,138 = 43,320,138 : x
  2. Step 2: Convert to fraction form
    19,774,920/43,320,138 = 43,320,138/x
  3. Step 3: Cross multiply
    19,774,920x = 43,320,138 × 43,320,138
  4. Step 4: Simplify right side
    19,774,920x = 1,876,634,356,339,044
  5. Step 5: Solve for x
    x = 1,876,634,356,339,044/19,774,920
  6. Step 6: Final answer
    x = 94,899,719.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.