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Finding the Third Proportional to 199,548 and 426,768

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Solution

The third proportional to 199,548 and 426,768 is: 912,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,548 : 426,768 = 426,768 : x
  2. Step 2: Convert to fraction form
    199,548/426,768 = 426,768/x
  3. Step 3: Cross multiply
    199,548x = 426,768 × 426,768
  4. Step 4: Simplify right side
    199,548x = 182,130,925,824
  5. Step 5: Solve for x
    x = 182,130,925,824/199,548
  6. Step 6: Final answer
    x = 912,717.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.