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Finding the Third Proportional to 459,712.50 and 713,625.75

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Solution

The third proportional to 459,712.50 and 713,625.75 is: 1,107,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,712.50 : 713,625.75 = 713,625.75 : x
  2. Step 2: Convert to fraction form
    459,712.50/713,625.75 = 713,625.75/x
  3. Step 3: Cross multiply
    459,712.50x = 713,625.75 × 713,625.75
  4. Step 4: Simplify right side
    459,712.50x = 509,261,711,063.06
  5. Step 5: Solve for x
    x = 509,261,711,063.06/459,712.50
  6. Step 6: Final answer
    x = 1,107,783.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.