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Finding the Third Proportional to 74,190,351 and 158,590,806

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Solution

The third proportional to 74,190,351 and 158,590,806 is: 339,006,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190,351 : 158,590,806 = 158,590,806 : x
  2. Step 2: Convert to fraction form
    74,190,351/158,590,806 = 158,590,806/x
  3. Step 3: Cross multiply
    74,190,351x = 158,590,806 × 158,590,806
  4. Step 4: Simplify right side
    74,190,351x = 25,151,043,747,729,636
  5. Step 5: Solve for x
    x = 25,151,043,747,729,636/74,190,351
  6. Step 6: Final answer
    x = 339,006,938.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.