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Finding the Third Proportional to 372,972 and 578,574

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Solution

The third proportional to 372,972 and 578,574 is: 897,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,972 : 578,574 = 578,574 : x
  2. Step 2: Convert to fraction form
    372,972/578,574 = 578,574/x
  3. Step 3: Cross multiply
    372,972x = 578,574 × 578,574
  4. Step 4: Simplify right side
    372,972x = 334,747,873,476
  5. Step 5: Solve for x
    x = 334,747,873,476/372,972
  6. Step 6: Final answer
    x = 897,514.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.