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Finding the Third Proportional to 332,368 and 720,816

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Solution

The third proportional to 332,368 and 720,816 is: 1,563,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,368 : 720,816 = 720,816 : x
  2. Step 2: Convert to fraction form
    332,368/720,816 = 720,816/x
  3. Step 3: Cross multiply
    332,368x = 720,816 × 720,816
  4. Step 4: Simplify right side
    332,368x = 519,575,705,856
  5. Step 5: Solve for x
    x = 519,575,705,856/332,368
  6. Step 6: Final answer
    x = 1,563,254.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.