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Finding the Third Proportional to 1,663,598.25 and 3,405,867.75

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Solution

The third proportional to 1,663,598.25 and 3,405,867.75 is: 6,972,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,598.25 : 3,405,867.75 = 3,405,867.75 : x
  2. Step 2: Convert to fraction form
    1,663,598.25/3,405,867.75 = 3,405,867.75/x
  3. Step 3: Cross multiply
    1,663,598.25x = 3,405,867.75 × 3,405,867.75
  4. Step 4: Simplify right side
    1,663,598.25x = 11,599,935,130,490.06
  5. Step 5: Solve for x
    x = 11,599,935,130,490.06/1,663,598.25
  6. Step 6: Final answer
    x = 6,972,798.35

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.