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Finding the Third Proportional to 30,185,992.75 and 47,072,600

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Solution

The third proportional to 30,185,992.75 and 47,072,600 is: 73,405,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185,992.75 : 47,072,600 = 47,072,600 : x
  2. Step 2: Convert to fraction form
    30,185,992.75/47,072,600 = 47,072,600/x
  3. Step 3: Cross multiply
    30,185,992.75x = 47,072,600 × 47,072,600
  4. Step 4: Simplify right side
    30,185,992.75x = 2,215,829,670,760,000
  5. Step 5: Solve for x
    x = 2,215,829,670,760,000/30,185,992.75
  6. Step 6: Final answer
    x = 73,405,890.25

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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.