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Finding the Third Proportional to 11,556 and 22,119.75

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Solution

The third proportional to 11,556 and 22,119.75 is: 42,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556 : 22,119.75 = 22,119.75 : x
  2. Step 2: Convert to fraction form
    11,556/22,119.75 = 22,119.75/x
  3. Step 3: Cross multiply
    11,556x = 22,119.75 × 22,119.75
  4. Step 4: Simplify right side
    11,556x = 489,283,340.06
  5. Step 5: Solve for x
    x = 489,283,340.06/11,556
  6. Step 6: Final answer
    x = 42,340.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.