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Finding the Third Proportional to 554,907 and 830,841

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Solution

The third proportional to 554,907 and 830,841 is: 1,243,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,907 : 830,841 = 830,841 : x
  2. Step 2: Convert to fraction form
    554,907/830,841 = 830,841/x
  3. Step 3: Cross multiply
    554,907x = 830,841 × 830,841
  4. Step 4: Simplify right side
    554,907x = 690,296,767,281
  5. Step 5: Solve for x
    x = 690,296,767,281/554,907
  6. Step 6: Final answer
    x = 1,243,986.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.