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Finding the Third Proportional to 14,152,828 and 21,207,018

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Solution

The third proportional to 14,152,828 and 21,207,018 is: 31,777,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152,828 : 21,207,018 = 21,207,018 : x
  2. Step 2: Convert to fraction form
    14,152,828/21,207,018 = 21,207,018/x
  3. Step 3: Cross multiply
    14,152,828x = 21,207,018 × 21,207,018
  4. Step 4: Simplify right side
    14,152,828x = 449,737,612,452,324
  5. Step 5: Solve for x
    x = 449,737,612,452,324/14,152,828
  6. Step 6: Final answer
    x = 31,777,225.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.