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Finding the Third Proportional to 379,453 and 808,064

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Solution

The third proportional to 379,453 and 808,064 is: 1,720,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,453 : 808,064 = 808,064 : x
  2. Step 2: Convert to fraction form
    379,453/808,064 = 808,064/x
  3. Step 3: Cross multiply
    379,453x = 808,064 × 808,064
  4. Step 4: Simplify right side
    379,453x = 652,967,428,096
  5. Step 5: Solve for x
    x = 652,967,428,096/379,453
  6. Step 6: Final answer
    x = 1,720,812.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.