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Finding the Third Proportional to 455,644 and 999,040

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Solution

The third proportional to 455,644 and 999,040 is: 2,190,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,644 : 999,040 = 999,040 : x
  2. Step 2: Convert to fraction form
    455,644/999,040 = 999,040/x
  3. Step 3: Cross multiply
    455,644x = 999,040 × 999,040
  4. Step 4: Simplify right side
    455,644x = 998,080,921,600
  5. Step 5: Solve for x
    x = 998,080,921,600/455,644
  6. Step 6: Final answer
    x = 2,190,484.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.