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Finding the Third Proportional to 7,239,028 and 15,912,644

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Solution

The third proportional to 7,239,028 and 15,912,644 is: 34,978,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,028 : 15,912,644 = 15,912,644 : x
  2. Step 2: Convert to fraction form
    7,239,028/15,912,644 = 15,912,644/x
  3. Step 3: Cross multiply
    7,239,028x = 15,912,644 × 15,912,644
  4. Step 4: Simplify right side
    7,239,028x = 253,212,239,070,736
  5. Step 5: Solve for x
    x = 253,212,239,070,736/7,239,028
  6. Step 6: Final answer
    x = 34,978,762.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.