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Finding the Third Proportional to 413,340 and 585,038

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Solution

The third proportional to 413,340 and 585,038 is: 828,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,340 : 585,038 = 585,038 : x
  2. Step 2: Convert to fraction form
    413,340/585,038 = 585,038/x
  3. Step 3: Cross multiply
    413,340x = 585,038 × 585,038
  4. Step 4: Simplify right side
    413,340x = 342,269,461,444
  5. Step 5: Solve for x
    x = 342,269,461,444/413,340
  6. Step 6: Final answer
    x = 828,057.92

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.