Home / 4,431,188.25-9,618,638.63

Finding the Third Proportional to 4,431,188.25 and 9,618,638.63

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Solution

The third proportional to 4,431,188.25 and 9,618,638.63 is: 20,878,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,188.25 : 9,618,638.63 = 9,618,638.63 : x
  2. Step 2: Convert to fraction form
    4,431,188.25/9,618,638.63 = 9,618,638.63/x
  3. Step 3: Cross multiply
    4,431,188.25x = 9,618,638.63 × 9,618,638.63
  4. Step 4: Simplify right side
    4,431,188.25x = 92,518,208,998,341.89
  5. Step 5: Solve for x
    x = 92,518,208,998,341.89/4,431,188.25
  6. Step 6: Final answer
    x = 20,878,871.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.