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Finding the Third Proportional to 13,331,054 and 19,909,380

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Solution

The third proportional to 13,331,054 and 19,909,380 is: 29,733,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,054 : 19,909,380 = 19,909,380 : x
  2. Step 2: Convert to fraction form
    13,331,054/19,909,380 = 19,909,380/x
  3. Step 3: Cross multiply
    13,331,054x = 19,909,380 × 19,909,380
  4. Step 4: Simplify right side
    13,331,054x = 396,383,411,984,400
  5. Step 5: Solve for x
    x = 396,383,411,984,400/13,331,054
  6. Step 6: Final answer
    x = 29,733,838.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.