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Finding the Third Proportional to 585,440 and 1,216,816

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Solution

The third proportional to 585,440 and 1,216,816 is: 2,529,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,440 : 1,216,816 = 1,216,816 : x
  2. Step 2: Convert to fraction form
    585,440/1,216,816 = 1,216,816/x
  3. Step 3: Cross multiply
    585,440x = 1,216,816 × 1,216,816
  4. Step 4: Simplify right side
    585,440x = 1,480,641,177,856
  5. Step 5: Solve for x
    x = 1,480,641,177,856/585,440
  6. Step 6: Final answer
    x = 2,529,108.33

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.