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Finding the Third Proportional to 290,796 and 426,594

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Solution

The third proportional to 290,796 and 426,594 is: 625,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,796 : 426,594 = 426,594 : x
  2. Step 2: Convert to fraction form
    290,796/426,594 = 426,594/x
  3. Step 3: Cross multiply
    290,796x = 426,594 × 426,594
  4. Step 4: Simplify right side
    290,796x = 181,982,440,836
  5. Step 5: Solve for x
    x = 181,982,440,836/290,796
  6. Step 6: Final answer
    x = 625,807.92

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.