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Finding the Third Proportional to 149,303,028 and 213,503,566

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Solution

The third proportional to 149,303,028 and 213,503,566 is: 305,310,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,303,028 : 213,503,566 = 213,503,566 : x
  2. Step 2: Convert to fraction form
    149,303,028/213,503,566 = 213,503,566/x
  3. Step 3: Cross multiply
    149,303,028x = 213,503,566 × 213,503,566
  4. Step 4: Simplify right side
    149,303,028x = 45,583,772,694,716,352
  5. Step 5: Solve for x
    x = 45,583,772,694,716,352/149,303,028
  6. Step 6: Final answer
    x = 305,310,436.80

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.