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Finding the Third Proportional to 5,485,140 and 11,813,184

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Solution

The third proportional to 5,485,140 and 11,813,184 is: 25,441,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,140 : 11,813,184 = 11,813,184 : x
  2. Step 2: Convert to fraction form
    5,485,140/11,813,184 = 11,813,184/x
  3. Step 3: Cross multiply
    5,485,140x = 11,813,184 × 11,813,184
  4. Step 4: Simplify right side
    5,485,140x = 139,551,316,217,856
  5. Step 5: Solve for x
    x = 139,551,316,217,856/5,485,140
  6. Step 6: Final answer
    x = 25,441,705.45

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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.