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Finding the Third Proportional to 19,141,621 and 29,421,990

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Solution

The third proportional to 19,141,621 and 29,421,990 is: 45,223,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,621 : 29,421,990 = 29,421,990 : x
  2. Step 2: Convert to fraction form
    19,141,621/29,421,990 = 29,421,990/x
  3. Step 3: Cross multiply
    19,141,621x = 29,421,990 × 29,421,990
  4. Step 4: Simplify right side
    19,141,621x = 865,653,495,560,100
  5. Step 5: Solve for x
    x = 865,653,495,560,100/19,141,621
  6. Step 6: Final answer
    x = 45,223,625.29

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.