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Finding the Third Proportional to 4,428,140 and 7,230,754

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Solution

The third proportional to 4,428,140 and 7,230,754 is: 11,807,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,140 : 7,230,754 = 7,230,754 : x
  2. Step 2: Convert to fraction form
    4,428,140/7,230,754 = 7,230,754/x
  3. Step 3: Cross multiply
    4,428,140x = 7,230,754 × 7,230,754
  4. Step 4: Simplify right side
    4,428,140x = 52,283,803,408,516
  5. Step 5: Solve for x
    x = 52,283,803,408,516/4,428,140
  6. Step 6: Final answer
    x = 11,807,170.37

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.