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Finding the Third Proportional to 463,475 and 620,764

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Solution

The third proportional to 463,475 and 620,764 is: 831,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,475 : 620,764 = 620,764 : x
  2. Step 2: Convert to fraction form
    463,475/620,764 = 620,764/x
  3. Step 3: Cross multiply
    463,475x = 620,764 × 620,764
  4. Step 4: Simplify right side
    463,475x = 385,347,943,696
  5. Step 5: Solve for x
    x = 385,347,943,696/463,475
  6. Step 6: Final answer
    x = 831,431.99

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.