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Finding the Third Proportional to 709,240 and 1,090,104

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Solution

The third proportional to 709,240 and 1,090,104 is: 1,675,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,240 : 1,090,104 = 1,090,104 : x
  2. Step 2: Convert to fraction form
    709,240/1,090,104 = 1,090,104/x
  3. Step 3: Cross multiply
    709,240x = 1,090,104 × 1,090,104
  4. Step 4: Simplify right side
    709,240x = 1,188,326,730,816
  5. Step 5: Solve for x
    x = 1,188,326,730,816/709,240
  6. Step 6: Final answer
    x = 1,675,493.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.