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Finding the Third Proportional to 141,120 and 304,992

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Solution

The third proportional to 141,120 and 304,992 is: 659,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,120 : 304,992 = 304,992 : x
  2. Step 2: Convert to fraction form
    141,120/304,992 = 304,992/x
  3. Step 3: Cross multiply
    141,120x = 304,992 × 304,992
  4. Step 4: Simplify right side
    141,120x = 93,020,120,064
  5. Step 5: Solve for x
    x = 93,020,120,064/141,120
  6. Step 6: Final answer
    x = 659,156.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.