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Finding the Third Proportional to 3,310,005 and 7,142,530.50

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Solution

The third proportional to 3,310,005 and 7,142,530.50 is: 15,412,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310,005 : 7,142,530.50 = 7,142,530.50 : x
  2. Step 2: Convert to fraction form
    3,310,005/7,142,530.50 = 7,142,530.50/x
  3. Step 3: Cross multiply
    3,310,005x = 7,142,530.50 × 7,142,530.50
  4. Step 4: Simplify right side
    3,310,005x = 51,015,741,943,430.25
  5. Step 5: Solve for x
    x = 51,015,741,943,430.25/3,310,005
  6. Step 6: Final answer
    x = 15,412,587.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.