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Finding the Third Proportional to 621,288 and 954,648

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Solution

The third proportional to 621,288 and 954,648 is: 1,466,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,288 : 954,648 = 954,648 : x
  2. Step 2: Convert to fraction form
    621,288/954,648 = 954,648/x
  3. Step 3: Cross multiply
    621,288x = 954,648 × 954,648
  4. Step 4: Simplify right side
    621,288x = 911,352,803,904
  5. Step 5: Solve for x
    x = 911,352,803,904/621,288
  6. Step 6: Final answer
    x = 1,466,876.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.