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Finding the Third Proportional to 332,730 and 511,947

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Solution

The third proportional to 332,730 and 511,947 is: 787,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,730 : 511,947 = 511,947 : x
  2. Step 2: Convert to fraction form
    332,730/511,947 = 511,947/x
  3. Step 3: Cross multiply
    332,730x = 511,947 × 511,947
  4. Step 4: Simplify right side
    332,730x = 262,089,730,809
  5. Step 5: Solve for x
    x = 262,089,730,809/332,730
  6. Step 6: Final answer
    x = 787,694.92

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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.