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Finding the Third Proportional to 615,255 and 931,383

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Solution

The third proportional to 615,255 and 931,383 is: 1,409,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,255 : 931,383 = 931,383 : x
  2. Step 2: Convert to fraction form
    615,255/931,383 = 931,383/x
  3. Step 3: Cross multiply
    615,255x = 931,383 × 931,383
  4. Step 4: Simplify right side
    615,255x = 867,474,292,689
  5. Step 5: Solve for x
    x = 867,474,292,689/615,255
  6. Step 6: Final answer
    x = 1,409,942.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.