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Finding the Third Proportional to 620,444 and 948,516

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Solution

The third proportional to 620,444 and 948,516 is: 1,450,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,444 : 948,516 = 948,516 : x
  2. Step 2: Convert to fraction form
    620,444/948,516 = 948,516/x
  3. Step 3: Cross multiply
    620,444x = 948,516 × 948,516
  4. Step 4: Simplify right side
    620,444x = 899,682,602,256
  5. Step 5: Solve for x
    x = 899,682,602,256/620,444
  6. Step 6: Final answer
    x = 1,450,062.54

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.