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Finding the Third Proportional to 141,186 and 310,020

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Solution

The third proportional to 141,186 and 310,020 is: 680,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186 : 310,020 = 310,020 : x
  2. Step 2: Convert to fraction form
    141,186/310,020 = 310,020/x
  3. Step 3: Cross multiply
    141,186x = 310,020 × 310,020
  4. Step 4: Simplify right side
    141,186x = 96,112,400,400
  5. Step 5: Solve for x
    x = 96,112,400,400/141,186
  6. Step 6: Final answer
    x = 680,750.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.