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Finding the Third Proportional to 900,276 and 1,393,544

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Solution

The third proportional to 900,276 and 1,393,544 is: 2,157,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,276 : 1,393,544 = 1,393,544 : x
  2. Step 2: Convert to fraction form
    900,276/1,393,544 = 1,393,544/x
  3. Step 3: Cross multiply
    900,276x = 1,393,544 × 1,393,544
  4. Step 4: Simplify right side
    900,276x = 1,941,964,879,936
  5. Step 5: Solve for x
    x = 1,941,964,879,936/900,276
  6. Step 6: Final answer
    x = 2,157,077.25

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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.