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Finding the Third Proportional to 2,409,489.91 and 5,258,477.60

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Solution

The third proportional to 2,409,489.91 and 5,258,477.60 is: 11,476,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409,489.91 : 5,258,477.60 = 5,258,477.60 : x
  2. Step 2: Convert to fraction form
    2,409,489.91/5,258,477.60 = 5,258,477.60/x
  3. Step 3: Cross multiply
    2,409,489.91x = 5,258,477.60 × 5,258,477.60
  4. Step 4: Simplify right side
    2,409,489.91x = 27,651,586,686,134.50
  5. Step 5: Solve for x
    x = 27,651,586,686,134.50/2,409,489.91
  6. Step 6: Final answer
    x = 11,476,116.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.