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Finding the Third Proportional to 66,534,422 and 145,611,526

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Solution

The third proportional to 66,534,422 and 145,611,526 is: 318,672,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534,422 : 145,611,526 = 145,611,526 : x
  2. Step 2: Convert to fraction form
    66,534,422/145,611,526 = 145,611,526/x
  3. Step 3: Cross multiply
    66,534,422x = 145,611,526 × 145,611,526
  4. Step 4: Simplify right side
    66,534,422x = 21,202,716,504,048,676
  5. Step 5: Solve for x
    x = 21,202,716,504,048,676/66,534,422
  6. Step 6: Final answer
    x = 318,672,889.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.