Home / 297-403.88

Finding the Third Proportional to 297 and 403.88

Calculator

Solution

The third proportional to 297 and 403.88 is: 549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297 : 403.88 = 403.88 : x
  2. Step 2: Convert to fraction form
    297/403.88 = 403.88/x
  3. Step 3: Cross multiply
    297x = 403.88 × 403.88
  4. Step 4: Simplify right side
    297x = 163,115.02
  5. Step 5: Solve for x
    x = 163,115.02/297
  6. Step 6: Final answer
    x = 549.21

Related Problems

Find third proportional to 148.50 and 201.94
Half scale
Find third proportional to 594 and 807.75
Double scale
Find third proportional to 299 and 407
Similar ratio
Find third proportional to 445.50 and 605.81
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.