Home / 244.50-387.50

Finding the Third Proportional to 244.50 and 387.50

Calculator

Solution

The third proportional to 244.50 and 387.50 is: 614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.50 : 387.50 = 387.50 : x
  2. Step 2: Convert to fraction form
    244.50/387.50 = 387.50/x
  3. Step 3: Cross multiply
    244.50x = 387.50 × 387.50
  4. Step 4: Simplify right side
    244.50x = 150,156.25
  5. Step 5: Solve for x
    x = 150,156.25/244.50
  6. Step 6: Final answer
    x = 614.14

Related Problems

Find third proportional to 122.25 and 193.75
Half scale
Find third proportional to 489 and 775
Double scale
Find third proportional to 247 and 391
Similar ratio
Find third proportional to 366.75 and 581.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.