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Finding the Third Proportional to 453,699.75 and 696,411.75

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Solution

The third proportional to 453,699.75 and 696,411.75 is: 1,068,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,699.75 : 696,411.75 = 696,411.75 : x
  2. Step 2: Convert to fraction form
    453,699.75/696,411.75 = 696,411.75/x
  3. Step 3: Cross multiply
    453,699.75x = 696,411.75 × 696,411.75
  4. Step 4: Simplify right side
    453,699.75x = 484,989,325,538.06
  5. Step 5: Solve for x
    x = 484,989,325,538.06/453,699.75
  6. Step 6: Final answer
    x = 1,068,965.38

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.