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Finding the Third Proportional to 178,479 and 262,774.13

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Solution

The third proportional to 178,479 and 262,774.13 is: 386,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,479 : 262,774.13 = 262,774.13 : x
  2. Step 2: Convert to fraction form
    178,479/262,774.13 = 262,774.13/x
  3. Step 3: Cross multiply
    178,479x = 262,774.13 × 262,774.13
  4. Step 4: Simplify right side
    178,479x = 69,050,240,769.52
  5. Step 5: Solve for x
    x = 69,050,240,769.52/178,479
  6. Step 6: Final answer
    x = 386,881.60

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.