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Finding the Third Proportional to 327,087 and 716,382

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Solution

The third proportional to 327,087 and 716,382 is: 1,569,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,087 : 716,382 = 716,382 : x
  2. Step 2: Convert to fraction form
    327,087/716,382 = 716,382/x
  3. Step 3: Cross multiply
    327,087x = 716,382 × 716,382
  4. Step 4: Simplify right side
    327,087x = 513,203,169,924
  5. Step 5: Solve for x
    x = 513,203,169,924/327,087
  6. Step 6: Final answer
    x = 1,569,011.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.