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Finding the Third Proportional to 143,164.13 and 310,934.25

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Solution

The third proportional to 143,164.13 and 310,934.25 is: 675,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,164.13 : 310,934.25 = 310,934.25 : x
  2. Step 2: Convert to fraction form
    143,164.13/310,934.25 = 310,934.25/x
  3. Step 3: Cross multiply
    143,164.13x = 310,934.25 × 310,934.25
  4. Step 4: Simplify right side
    143,164.13x = 96,680,107,823.06
  5. Step 5: Solve for x
    x = 96,680,107,823.06/143,164.13
  6. Step 6: Final answer
    x = 675,309.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.