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Finding the Third Proportional to 121,370 and 264,044

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Solution

The third proportional to 121,370 and 264,044 is: 574,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,370 : 264,044 = 264,044 : x
  2. Step 2: Convert to fraction form
    121,370/264,044 = 264,044/x
  3. Step 3: Cross multiply
    121,370x = 264,044 × 264,044
  4. Step 4: Simplify right side
    121,370x = 69,719,233,936
  5. Step 5: Solve for x
    x = 69,719,233,936/121,370
  6. Step 6: Final answer
    x = 574,435.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.