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Finding the Third Proportional to 382,053 and 830,442

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Solution

The third proportional to 382,053 and 830,442 is: 1,805,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,053 : 830,442 = 830,442 : x
  2. Step 2: Convert to fraction form
    382,053/830,442 = 830,442/x
  3. Step 3: Cross multiply
    382,053x = 830,442 × 830,442
  4. Step 4: Simplify right side
    382,053x = 689,633,915,364
  5. Step 5: Solve for x
    x = 689,633,915,364/382,053
  6. Step 6: Final answer
    x = 1,805,073.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.