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Finding the Third Proportional to 208,095 and 311,572

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Solution

The third proportional to 208,095 and 311,572 is: 466,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,095 : 311,572 = 311,572 : x
  2. Step 2: Convert to fraction form
    208,095/311,572 = 311,572/x
  3. Step 3: Cross multiply
    208,095x = 311,572 × 311,572
  4. Step 4: Simplify right side
    208,095x = 97,077,111,184
  5. Step 5: Solve for x
    x = 97,077,111,184/208,095
  6. Step 6: Final answer
    x = 466,503.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.