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Finding the Third Proportional to 74,137,044 and 154,409,955

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Solution

The third proportional to 74,137,044 and 154,409,955 is: 321,599,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,137,044 : 154,409,955 = 154,409,955 : x
  2. Step 2: Convert to fraction form
    74,137,044/154,409,955 = 154,409,955/x
  3. Step 3: Cross multiply
    74,137,044x = 154,409,955 × 154,409,955
  4. Step 4: Simplify right side
    74,137,044x = 23,842,434,203,102,024
  5. Step 5: Solve for x
    x = 23,842,434,203,102,024/74,137,044
  6. Step 6: Final answer
    x = 321,599,471.96

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.