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Finding the Third Proportional to 13,001,648 and 28,001,280

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Solution

The third proportional to 13,001,648 and 28,001,280 is: 60,305,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,648 : 28,001,280 = 28,001,280 : x
  2. Step 2: Convert to fraction form
    13,001,648/28,001,280 = 28,001,280/x
  3. Step 3: Cross multiply
    13,001,648x = 28,001,280 × 28,001,280
  4. Step 4: Simplify right side
    13,001,648x = 784,071,681,638,400
  5. Step 5: Solve for x
    x = 784,071,681,638,400/13,001,648
  6. Step 6: Final answer
    x = 60,305,561.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.