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Finding the Third Proportional to 74,220,812 and 150,528,536

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Solution

The third proportional to 74,220,812 and 150,528,536 is: 305,289,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220,812 : 150,528,536 = 150,528,536 : x
  2. Step 2: Convert to fraction form
    74,220,812/150,528,536 = 150,528,536/x
  3. Step 3: Cross multiply
    74,220,812x = 150,528,536 × 150,528,536
  4. Step 4: Simplify right side
    74,220,812x = 22,658,840,150,303,296
  5. Step 5: Solve for x
    x = 22,658,840,150,303,296/74,220,812
  6. Step 6: Final answer
    x = 305,289,574.98

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.