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Finding the Third Proportional to 3,319,106 and 7,280,772

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Solution

The third proportional to 3,319,106 and 7,280,772 is: 15,971,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,106 : 7,280,772 = 7,280,772 : x
  2. Step 2: Convert to fraction form
    3,319,106/7,280,772 = 7,280,772/x
  3. Step 3: Cross multiply
    3,319,106x = 7,280,772 × 7,280,772
  4. Step 4: Simplify right side
    3,319,106x = 53,009,640,915,984
  5. Step 5: Solve for x
    x = 53,009,640,915,984/3,319,106
  6. Step 6: Final answer
    x = 15,971,059.95

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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.