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Finding the Third Proportional to 477,654.75 and 696,790.50

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Solution

The third proportional to 477,654.75 and 696,790.50 is: 1,016,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,654.75 : 696,790.50 = 696,790.50 : x
  2. Step 2: Convert to fraction form
    477,654.75/696,790.50 = 696,790.50/x
  3. Step 3: Cross multiply
    477,654.75x = 696,790.50 × 696,790.50
  4. Step 4: Simplify right side
    477,654.75x = 485,517,000,890.25
  5. Step 5: Solve for x
    x = 485,517,000,890.25/477,654.75
  6. Step 6: Final answer
    x = 1,016,460.11

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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.