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Finding the Third Proportional to 453,703.50 and 670,207.50

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Solution

The third proportional to 453,703.50 and 670,207.50 is: 990,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,703.50 : 670,207.50 = 670,207.50 : x
  2. Step 2: Convert to fraction form
    453,703.50/670,207.50 = 670,207.50/x
  3. Step 3: Cross multiply
    453,703.50x = 670,207.50 × 670,207.50
  4. Step 4: Simplify right side
    453,703.50x = 449,178,093,056.25
  5. Step 5: Solve for x
    x = 449,178,093,056.25/453,703.50
  6. Step 6: Final answer
    x = 990,025.63

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.