Home / 425.50-750.50

Finding the Third Proportional to 425.50 and 750.50

Calculator

Solution

The third proportional to 425.50 and 750.50 is: 1,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.50 : 750.50 = 750.50 : x
  2. Step 2: Convert to fraction form
    425.50/750.50 = 750.50/x
  3. Step 3: Cross multiply
    425.50x = 750.50 × 750.50
  4. Step 4: Simplify right side
    425.50x = 563,250.25
  5. Step 5: Solve for x
    x = 563,250.25/425.50
  6. Step 6: Final answer
    x = 1,323.74

Related Problems

Find third proportional to 212.75 and 375.25
Half scale
Find third proportional to 851 and 1,501
Double scale
Find third proportional to 428 and 754
Similar ratio
Find third proportional to 638.25 and 1,125.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.