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Finding the Third Proportional to 615,377.25 and 931,277.25

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Solution

The third proportional to 615,377.25 and 931,277.25 is: 1,409,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,377.25 : 931,277.25 = 931,277.25 : x
  2. Step 2: Convert to fraction form
    615,377.25/931,277.25 = 931,277.25/x
  3. Step 3: Cross multiply
    615,377.25x = 931,277.25 × 931,277.25
  4. Step 4: Simplify right side
    615,377.25x = 867,277,316,367.56
  5. Step 5: Solve for x
    x = 867,277,316,367.56/615,377.25
  6. Step 6: Final answer
    x = 1,409,342.51

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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.