Home / 452-644.50

Finding the Third Proportional to 452 and 644.50

Calculator

Solution

The third proportional to 452 and 644.50 is: 918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452 : 644.50 = 644.50 : x
  2. Step 2: Convert to fraction form
    452/644.50 = 644.50/x
  3. Step 3: Cross multiply
    452x = 644.50 × 644.50
  4. Step 4: Simplify right side
    452x = 415,380.25
  5. Step 5: Solve for x
    x = 415,380.25/452
  6. Step 6: Final answer
    x = 918.98

Related Problems

Find third proportional to 226 and 322.25
Half scale
Find third proportional to 904 and 1,289
Double scale
Find third proportional to 454 and 647
Similar ratio
Find third proportional to 678 and 966.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.