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Finding the Third Proportional to 21,636,138 and 30,937,603

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Solution

The third proportional to 21,636,138 and 30,937,603 is: 44,237,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636,138 : 30,937,603 = 30,937,603 : x
  2. Step 2: Convert to fraction form
    21,636,138/30,937,603 = 30,937,603/x
  3. Step 3: Cross multiply
    21,636,138x = 30,937,603 × 30,937,603
  4. Step 4: Simplify right side
    21,636,138x = 957,135,279,385,609
  5. Step 5: Solve for x
    x = 957,135,279,385,609/21,636,138
  6. Step 6: Final answer
    x = 44,237,806.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.