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Finding the Third Proportional to 7,358,512 and 11,485,320

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Solution

The third proportional to 7,358,512 and 11,485,320 is: 17,926,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358,512 : 11,485,320 = 11,485,320 : x
  2. Step 2: Convert to fraction form
    7,358,512/11,485,320 = 11,485,320/x
  3. Step 3: Cross multiply
    7,358,512x = 11,485,320 × 11,485,320
  4. Step 4: Simplify right side
    7,358,512x = 131,912,575,502,400
  5. Step 5: Solve for x
    x = 131,912,575,502,400/7,358,512
  6. Step 6: Final answer
    x = 17,926,528.56

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.