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Finding the Third Proportional to 375,008 and 821,240

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Solution

The third proportional to 375,008 and 821,240 is: 1,798,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,008 : 821,240 = 821,240 : x
  2. Step 2: Convert to fraction form
    375,008/821,240 = 821,240/x
  3. Step 3: Cross multiply
    375,008x = 821,240 × 821,240
  4. Step 4: Simplify right side
    375,008x = 674,435,137,600
  5. Step 5: Solve for x
    x = 674,435,137,600/375,008
  6. Step 6: Final answer
    x = 1,798,455.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.