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Finding the Third Proportional to 624,072 and 913,890

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Solution

The third proportional to 624,072 and 913,890 is: 1,338,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,072 : 913,890 = 913,890 : x
  2. Step 2: Convert to fraction form
    624,072/913,890 = 913,890/x
  3. Step 3: Cross multiply
    624,072x = 913,890 × 913,890
  4. Step 4: Simplify right side
    624,072x = 835,194,932,100
  5. Step 5: Solve for x
    x = 835,194,932,100/624,072
  6. Step 6: Final answer
    x = 1,338,299.00

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.