Home / 297.38-657.75

Finding the Third Proportional to 297.38 and 657.75

Calculator

Solution

The third proportional to 297.38 and 657.75 is: 1,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.38 : 657.75 = 657.75 : x
  2. Step 2: Convert to fraction form
    297.38/657.75 = 657.75/x
  3. Step 3: Cross multiply
    297.38x = 657.75 × 657.75
  4. Step 4: Simplify right side
    297.38x = 432,635.06
  5. Step 5: Solve for x
    x = 432,635.06/297.38
  6. Step 6: Final answer
    x = 1,454.85

Related Problems

Find third proportional to 148.69 and 328.88
Half scale
Find third proportional to 594.75 and 1,315.50
Double scale
Find third proportional to 299 and 662
Similar ratio
Find third proportional to 446.06 and 986.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.