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Finding the Third Proportional to 74,313,305 and 155,402,476

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Solution

The third proportional to 74,313,305 and 155,402,476 is: 324,974,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,305 : 155,402,476 = 155,402,476 : x
  2. Step 2: Convert to fraction form
    74,313,305/155,402,476 = 155,402,476/x
  3. Step 3: Cross multiply
    74,313,305x = 155,402,476 × 155,402,476
  4. Step 4: Simplify right side
    74,313,305x = 24,149,929,546,930,576
  5. Step 5: Solve for x
    x = 24,149,929,546,930,576/74,313,305
  6. Step 6: Final answer
    x = 324,974,505.53

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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.