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Finding the Third Proportional to 563,800.50 and 874,345.50

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Solution

The third proportional to 563,800.50 and 874,345.50 is: 1,355,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,800.50 : 874,345.50 = 874,345.50 : x
  2. Step 2: Convert to fraction form
    563,800.50/874,345.50 = 874,345.50/x
  3. Step 3: Cross multiply
    563,800.50x = 874,345.50 × 874,345.50
  4. Step 4: Simplify right side
    563,800.50x = 764,480,053,370.25
  5. Step 5: Solve for x
    x = 764,480,053,370.25/563,800.50
  6. Step 6: Final answer
    x = 1,355,940.72

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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.