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Finding the Third Proportional to 369,620 and 907,644

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Solution

The third proportional to 369,620 and 907,644 is: 2,228,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,620 : 907,644 = 907,644 : x
  2. Step 2: Convert to fraction form
    369,620/907,644 = 907,644/x
  3. Step 3: Cross multiply
    369,620x = 907,644 × 907,644
  4. Step 4: Simplify right side
    369,620x = 823,817,630,736
  5. Step 5: Solve for x
    x = 823,817,630,736/369,620
  6. Step 6: Final answer
    x = 2,228,823.20

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Why These Related Problems?

These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.