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Finding the Third Proportional to 1,003,125 and 1,554,989

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Solution

The third proportional to 1,003,125 and 1,554,989 is: 2,410,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,125 : 1,554,989 = 1,554,989 : x
  2. Step 2: Convert to fraction form
    1,003,125/1,554,989 = 1,554,989/x
  3. Step 3: Cross multiply
    1,003,125x = 1,554,989 × 1,554,989
  4. Step 4: Simplify right side
    1,003,125x = 2,417,990,790,121
  5. Step 5: Solve for x
    x = 2,417,990,790,121/1,003,125
  6. Step 6: Final answer
    x = 2,410,458.11

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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.