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Finding the Third Proportional to 207,364.50 and 454,905

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Solution

The third proportional to 207,364.50 and 454,905 is: 997,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,364.50 : 454,905 = 454,905 : x
  2. Step 2: Convert to fraction form
    207,364.50/454,905 = 454,905/x
  3. Step 3: Cross multiply
    207,364.50x = 454,905 × 454,905
  4. Step 4: Simplify right side
    207,364.50x = 206,938,559,025
  5. Step 5: Solve for x
    x = 206,938,559,025/207,364.50
  6. Step 6: Final answer
    x = 997,945.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.