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Finding the Third Proportional to 121,102 and 264,000

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Solution

The third proportional to 121,102 and 264,000 is: 575,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,102 : 264,000 = 264,000 : x
  2. Step 2: Convert to fraction form
    121,102/264,000 = 264,000/x
  3. Step 3: Cross multiply
    121,102x = 264,000 × 264,000
  4. Step 4: Simplify right side
    121,102x = 69,696,000,000
  5. Step 5: Solve for x
    x = 69,696,000,000/121,102
  6. Step 6: Final answer
    x = 575,514.86

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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.