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Finding the Third Proportional to 325,577 and 697,878

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Solution

The third proportional to 325,577 and 697,878 is: 1,495,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,577 : 697,878 = 697,878 : x
  2. Step 2: Convert to fraction form
    325,577/697,878 = 697,878/x
  3. Step 3: Cross multiply
    325,577x = 697,878 × 697,878
  4. Step 4: Simplify right side
    325,577x = 487,033,702,884
  5. Step 5: Solve for x
    x = 487,033,702,884/325,577
  6. Step 6: Final answer
    x = 1,495,909.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.