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Finding the Third Proportional to 141,390 and 297,321.75

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Solution

The third proportional to 141,390 and 297,321.75 is: 625,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,390 : 297,321.75 = 297,321.75 : x
  2. Step 2: Convert to fraction form
    141,390/297,321.75 = 297,321.75/x
  3. Step 3: Cross multiply
    141,390x = 297,321.75 × 297,321.75
  4. Step 4: Simplify right side
    141,390x = 88,400,223,023.06
  5. Step 5: Solve for x
    x = 88,400,223,023.06/141,390
  6. Step 6: Final answer
    x = 625,222.60

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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.