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Finding the Third Proportional to 3,330,886.50 and 7,166,970

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Solution

The third proportional to 3,330,886.50 and 7,166,970 is: 15,420,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330,886.50 : 7,166,970 = 7,166,970 : x
  2. Step 2: Convert to fraction form
    3,330,886.50/7,166,970 = 7,166,970/x
  3. Step 3: Cross multiply
    3,330,886.50x = 7,166,970 × 7,166,970
  4. Step 4: Simplify right side
    3,330,886.50x = 51,365,458,980,900
  5. Step 5: Solve for x
    x = 51,365,458,980,900/3,330,886.50
  6. Step 6: Final answer
    x = 15,420,957.45

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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.