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Finding the Third Proportional to 413,346 and 585,047

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Solution

The third proportional to 413,346 and 585,047 is: 828,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,346 : 585,047 = 585,047 : x
  2. Step 2: Convert to fraction form
    413,346/585,047 = 585,047/x
  3. Step 3: Cross multiply
    413,346x = 585,047 × 585,047
  4. Step 4: Simplify right side
    413,346x = 342,279,992,209
  5. Step 5: Solve for x
    x = 342,279,992,209/413,346
  6. Step 6: Final answer
    x = 828,071.38

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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.