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Finding the Third Proportional to 14,279,428 and 21,753,828

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Solution

The third proportional to 14,279,428 and 21,753,828 is: 33,140,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,428 : 21,753,828 = 21,753,828 : x
  2. Step 2: Convert to fraction form
    14,279,428/21,753,828 = 21,753,828/x
  3. Step 3: Cross multiply
    14,279,428x = 21,753,828 × 21,753,828
  4. Step 4: Simplify right side
    14,279,428x = 473,229,032,653,584
  5. Step 5: Solve for x
    x = 473,229,032,653,584/14,279,428
  6. Step 6: Final answer
    x = 33,140,615.48

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.