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Finding the Third Proportional to 189,522 and 408,565.50

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Solution

The third proportional to 189,522 and 408,565.50 is: 880,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,522 : 408,565.50 = 408,565.50 : x
  2. Step 2: Convert to fraction form
    189,522/408,565.50 = 408,565.50/x
  3. Step 3: Cross multiply
    189,522x = 408,565.50 × 408,565.50
  4. Step 4: Simplify right side
    189,522x = 166,925,767,790.25
  5. Step 5: Solve for x
    x = 166,925,767,790.25/189,522
  6. Step 6: Final answer
    x = 880,772.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.