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Finding the Third Proportional to 620,001 and 877,542

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Solution

The third proportional to 620,001 and 877,542 is: 1,242,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,001 : 877,542 = 877,542 : x
  2. Step 2: Convert to fraction form
    620,001/877,542 = 877,542/x
  3. Step 3: Cross multiply
    620,001x = 877,542 × 877,542
  4. Step 4: Simplify right side
    620,001x = 770,079,961,764
  5. Step 5: Solve for x
    x = 770,079,961,764/620,001
  6. Step 6: Final answer
    x = 1,242,062.45

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.