Home / 453.75-471.38

Finding the Third Proportional to 453.75 and 471.38

Calculator

Solution

The third proportional to 453.75 and 471.38 is: 489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.75 : 471.38 = 471.38 : x
  2. Step 2: Convert to fraction form
    453.75/471.38 = 471.38/x
  3. Step 3: Cross multiply
    453.75x = 471.38 × 471.38
  4. Step 4: Simplify right side
    453.75x = 222,194.39
  5. Step 5: Solve for x
    x = 222,194.39/453.75
  6. Step 6: Final answer
    x = 489.68

Related Problems

Find third proportional to 226.88 and 235.69
Half scale
Find third proportional to 907.50 and 942.75
Double scale
Find third proportional to 456 and 473
Similar ratio
Find third proportional to 680.63 and 707.06
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.