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Finding the Third Proportional to 433,772 and 939,928

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Solution

The third proportional to 433,772 and 939,928 is: 2,036,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,772 : 939,928 = 939,928 : x
  2. Step 2: Convert to fraction form
    433,772/939,928 = 939,928/x
  3. Step 3: Cross multiply
    433,772x = 939,928 × 939,928
  4. Step 4: Simplify right side
    433,772x = 883,464,645,184
  5. Step 5: Solve for x
    x = 883,464,645,184/433,772
  6. Step 6: Final answer
    x = 2,036,702.80

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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.