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Finding the Third Proportional to 74,350,928 and 161,054,032

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Solution

The third proportional to 74,350,928 and 161,054,032 is: 348,864,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350,928 : 161,054,032 = 161,054,032 : x
  2. Step 2: Convert to fraction form
    74,350,928/161,054,032 = 161,054,032/x
  3. Step 3: Cross multiply
    74,350,928x = 161,054,032 × 161,054,032
  4. Step 4: Simplify right side
    74,350,928x = 25,938,401,223,457,024
  5. Step 5: Solve for x
    x = 25,938,401,223,457,024/74,350,928
  6. Step 6: Final answer
    x = 348,864,525.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.