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Finding the Third Proportional to 444,090 and 677,178

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Solution

The third proportional to 444,090 and 677,178 is: 1,032,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,090 : 677,178 = 677,178 : x
  2. Step 2: Convert to fraction form
    444,090/677,178 = 677,178/x
  3. Step 3: Cross multiply
    444,090x = 677,178 × 677,178
  4. Step 4: Simplify right side
    444,090x = 458,570,043,684
  5. Step 5: Solve for x
    x = 458,570,043,684/444,090
  6. Step 6: Final answer
    x = 1,032,606.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.