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Finding the Third Proportional to 700,040 and 1,085,989

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Solution

The third proportional to 700,040 and 1,085,989 is: 1,684,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,040 : 1,085,989 = 1,085,989 : x
  2. Step 2: Convert to fraction form
    700,040/1,085,989 = 1,085,989/x
  3. Step 3: Cross multiply
    700,040x = 1,085,989 × 1,085,989
  4. Step 4: Simplify right side
    700,040x = 1,179,372,108,121
  5. Step 5: Solve for x
    x = 1,179,372,108,121/700,040
  6. Step 6: Final answer
    x = 1,684,721.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.