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Finding the Third Proportional to 426,024 and 668,292

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Solution

The third proportional to 426,024 and 668,292 is: 1,048,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,024 : 668,292 = 668,292 : x
  2. Step 2: Convert to fraction form
    426,024/668,292 = 668,292/x
  3. Step 3: Cross multiply
    426,024x = 668,292 × 668,292
  4. Step 4: Simplify right side
    426,024x = 446,614,197,264
  5. Step 5: Solve for x
    x = 446,614,197,264/426,024
  6. Step 6: Final answer
    x = 1,048,331.07

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.