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Finding the Third Proportional to 207,626 and 310,358

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Solution

The third proportional to 207,626 and 310,358 is: 463,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,626 : 310,358 = 310,358 : x
  2. Step 2: Convert to fraction form
    207,626/310,358 = 310,358/x
  3. Step 3: Cross multiply
    207,626x = 310,358 × 310,358
  4. Step 4: Simplify right side
    207,626x = 96,322,088,164
  5. Step 5: Solve for x
    x = 96,322,088,164/207,626
  6. Step 6: Final answer
    x = 463,921.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.