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Finding the Third Proportional to 13,857,928 and 30,234,128

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Solution

The third proportional to 13,857,928 and 30,234,128 is: 65,962,422.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,928 : 30,234,128 = 30,234,128 : x
  2. Step 2: Convert to fraction form
    13,857,928/30,234,128 = 30,234,128/x
  3. Step 3: Cross multiply
    13,857,928x = 30,234,128 × 30,234,128
  4. Step 4: Simplify right side
    13,857,928x = 914,102,495,920,384
  5. Step 5: Solve for x
    x = 914,102,495,920,384/13,857,928
  6. Step 6: Final answer
    x = 65,962,422.08

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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.