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Finding the Third Proportional to 7,099,780 and 15,551,028

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Solution

The third proportional to 7,099,780 and 15,551,028 is: 34,062,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,780 : 15,551,028 = 15,551,028 : x
  2. Step 2: Convert to fraction form
    7,099,780/15,551,028 = 15,551,028/x
  3. Step 3: Cross multiply
    7,099,780x = 15,551,028 × 15,551,028
  4. Step 4: Simplify right side
    7,099,780x = 241,834,471,856,784
  5. Step 5: Solve for x
    x = 241,834,471,856,784/7,099,780
  6. Step 6: Final answer
    x = 34,062,248.67

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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.