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Finding the Third Proportional to 74,313,333 and 155,402,538

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Solution

The third proportional to 74,313,333 and 155,402,538 is: 324,974,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,333 : 155,402,538 = 155,402,538 : x
  2. Step 2: Convert to fraction form
    74,313,333/155,402,538 = 155,402,538/x
  3. Step 3: Cross multiply
    74,313,333x = 155,402,538 × 155,402,538
  4. Step 4: Simplify right side
    74,313,333x = 24,149,948,816,841,444
  5. Step 5: Solve for x
    x = 24,149,948,816,841,444/74,313,333
  6. Step 6: Final answer
    x = 324,974,642.39

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.