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Finding the Third Proportional to 874,330 and 1,312,303

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Solution

The third proportional to 874,330 and 1,312,303 is: 1,969,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,330 : 1,312,303 = 1,312,303 : x
  2. Step 2: Convert to fraction form
    874,330/1,312,303 = 1,312,303/x
  3. Step 3: Cross multiply
    874,330x = 1,312,303 × 1,312,303
  4. Step 4: Simplify right side
    874,330x = 1,722,139,163,809
  5. Step 5: Solve for x
    x = 1,722,139,163,809/874,330
  6. Step 6: Final answer
    x = 1,969,667.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.