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Finding the Third Proportional to 353,389.50 and 562,857.75

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Solution

The third proportional to 353,389.50 and 562,857.75 is: 896,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,389.50 : 562,857.75 = 562,857.75 : x
  2. Step 2: Convert to fraction form
    353,389.50/562,857.75 = 562,857.75/x
  3. Step 3: Cross multiply
    353,389.50x = 562,857.75 × 562,857.75
  4. Step 4: Simplify right side
    353,389.50x = 316,808,846,735.06
  5. Step 5: Solve for x
    x = 316,808,846,735.06/353,389.50
  6. Step 6: Final answer
    x = 896,486.30

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.