Home / 187,640-280,524

Finding the Third Proportional to 187,640 and 280,524

Calculator

Solution

The third proportional to 187,640 and 280,524 is: 419,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,640 : 280,524 = 280,524 : x
  2. Step 2: Convert to fraction form
    187,640/280,524 = 280,524/x
  3. Step 3: Cross multiply
    187,640x = 280,524 × 280,524
  4. Step 4: Simplify right side
    187,640x = 78,693,714,576
  5. Step 5: Solve for x
    x = 78,693,714,576/187,640
  6. Step 6: Final answer
    x = 419,386.67

Related Problems

Find third proportional to 93,820 and 140,262
Half scale
Find third proportional to 375,280 and 561,048
Double scale
Find third proportional to 187,642 and 280,527
Similar ratio
Find third proportional to 281,460 and 420,786
1.5x scale

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.