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Finding the Third Proportional to 13,639,321 and 29,847,260

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Solution

The third proportional to 13,639,321 and 29,847,260 is: 65,315,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,321 : 29,847,260 = 29,847,260 : x
  2. Step 2: Convert to fraction form
    13,639,321/29,847,260 = 29,847,260/x
  3. Step 3: Cross multiply
    13,639,321x = 29,847,260 × 29,847,260
  4. Step 4: Simplify right side
    13,639,321x = 890,858,929,507,600
  5. Step 5: Solve for x
    x = 890,858,929,507,600/13,639,321
  6. Step 6: Final answer
    x = 65,315,489.64

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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.