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Finding the Third Proportional to 141,420 and 297,381

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Solution

The third proportional to 141,420 and 297,381 is: 625,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,420 : 297,381 = 297,381 : x
  2. Step 2: Convert to fraction form
    141,420/297,381 = 297,381/x
  3. Step 3: Cross multiply
    141,420x = 297,381 × 297,381
  4. Step 4: Simplify right side
    141,420x = 88,435,459,161
  5. Step 5: Solve for x
    x = 88,435,459,161/141,420
  6. Step 6: Final answer
    x = 625,339.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.