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Finding the Third Proportional to 21,872,217 and 47,863,770

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Solution

The third proportional to 21,872,217 and 47,863,770 is: 104,742,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,217 : 47,863,770 = 47,863,770 : x
  2. Step 2: Convert to fraction form
    21,872,217/47,863,770 = 47,863,770/x
  3. Step 3: Cross multiply
    21,872,217x = 47,863,770 × 47,863,770
  4. Step 4: Simplify right side
    21,872,217x = 2,290,940,478,612,900
  5. Step 5: Solve for x
    x = 2,290,940,478,612,900/21,872,217
  6. Step 6: Final answer
    x = 104,742,033.17

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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.