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Finding the Third Proportional to 7,125,384 and 15,370,512

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Solution

The third proportional to 7,125,384 and 15,370,512 is: 33,156,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125,384 : 15,370,512 = 15,370,512 : x
  2. Step 2: Convert to fraction form
    7,125,384/15,370,512 = 15,370,512/x
  3. Step 3: Cross multiply
    7,125,384x = 15,370,512 × 15,370,512
  4. Step 4: Simplify right side
    7,125,384x = 236,252,639,142,144
  5. Step 5: Solve for x
    x = 236,252,639,142,144/7,125,384
  6. Step 6: Final answer
    x = 33,156,478.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.