Home / 187,536-390,615

Finding the Third Proportional to 187,536 and 390,615

Calculator

Solution

The third proportional to 187,536 and 390,615 is: 813,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,536 : 390,615 = 390,615 : x
  2. Step 2: Convert to fraction form
    187,536/390,615 = 390,615/x
  3. Step 3: Cross multiply
    187,536x = 390,615 × 390,615
  4. Step 4: Simplify right side
    187,536x = 152,580,078,225
  5. Step 5: Solve for x
    x = 152,580,078,225/187,536
  6. Step 6: Final answer
    x = 813,604.21

Related Problems

Find third proportional to 93,768 and 195,307.50
Half scale
Find third proportional to 375,072 and 781,230
Double scale
Find third proportional to 187,538 and 390,619
Similar ratio
Find third proportional to 281,304 and 585,922.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.