Home / 187,591-409,621

Finding the Third Proportional to 187,591 and 409,621

Calculator

Solution

The third proportional to 187,591 and 409,621 is: 894,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,591 : 409,621 = 409,621 : x
  2. Step 2: Convert to fraction form
    187,591/409,621 = 409,621/x
  3. Step 3: Cross multiply
    187,591x = 409,621 × 409,621
  4. Step 4: Simplify right side
    187,591x = 167,789,363,641
  5. Step 5: Solve for x
    x = 167,789,363,641/187,591
  6. Step 6: Final answer
    x = 894,442.50

Related Problems

Find third proportional to 93,795.50 and 204,810.50
Half scale
Find third proportional to 375,182 and 819,242
Double scale
Find third proportional to 187,593 and 409,625
Similar ratio
Find third proportional to 281,386.50 and 614,431.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.