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Finding the Third Proportional to 30,185,970 and 47,072,571

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Solution

The third proportional to 30,185,970 and 47,072,571 is: 73,405,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185,970 : 47,072,571 = 47,072,571 : x
  2. Step 2: Convert to fraction form
    30,185,970/47,072,571 = 47,072,571/x
  3. Step 3: Cross multiply
    30,185,970x = 47,072,571 × 47,072,571
  4. Step 4: Simplify right side
    30,185,970x = 2,215,826,940,550,041
  5. Step 5: Solve for x
    x = 2,215,826,940,550,041/30,185,970
  6. Step 6: Final answer
    x = 73,405,855.12

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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.