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Finding the Third Proportional to 722,090 and 1,124,539

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Solution

The third proportional to 722,090 and 1,124,539 is: 1,751,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,090 : 1,124,539 = 1,124,539 : x
  2. Step 2: Convert to fraction form
    722,090/1,124,539 = 1,124,539/x
  3. Step 3: Cross multiply
    722,090x = 1,124,539 × 1,124,539
  4. Step 4: Simplify right side
    722,090x = 1,264,587,962,521
  5. Step 5: Solve for x
    x = 1,264,587,962,521/722,090
  6. Step 6: Final answer
    x = 1,751,288.57

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.