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Finding the Third Proportional to 553,922 and 904,422

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Solution

The third proportional to 553,922 and 904,422 is: 1,476,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,922 : 904,422 = 904,422 : x
  2. Step 2: Convert to fraction form
    553,922/904,422 = 904,422/x
  3. Step 3: Cross multiply
    553,922x = 904,422 × 904,422
  4. Step 4: Simplify right side
    553,922x = 817,979,154,084
  5. Step 5: Solve for x
    x = 817,979,154,084/553,922
  6. Step 6: Final answer
    x = 1,476,704.58

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.