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Finding the Third Proportional to 904,140 and 1,239,759

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Solution

The third proportional to 904,140 and 1,239,759 is: 1,699,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,140 : 1,239,759 = 1,239,759 : x
  2. Step 2: Convert to fraction form
    904,140/1,239,759 = 1,239,759/x
  3. Step 3: Cross multiply
    904,140x = 1,239,759 × 1,239,759
  4. Step 4: Simplify right side
    904,140x = 1,537,002,378,081
  5. Step 5: Solve for x
    x = 1,537,002,378,081/904,140
  6. Step 6: Final answer
    x = 1,699,960.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.