Home / 133,073-288,312

Finding the Third Proportional to 133,073 and 288,312

Calculator

Solution

The third proportional to 133,073 and 288,312 is: 624,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073 : 288,312 = 288,312 : x
  2. Step 2: Convert to fraction form
    133,073/288,312 = 288,312/x
  3. Step 3: Cross multiply
    133,073x = 288,312 × 288,312
  4. Step 4: Simplify right side
    133,073x = 83,123,809,344
  5. Step 5: Solve for x
    x = 83,123,809,344/133,073
  6. Step 6: Final answer
    x = 624,648.20

Related Problems

Find third proportional to 66,536.50 and 144,156
Half scale
Find third proportional to 266,146 and 576,624
Double scale
Find third proportional to 133,075 and 288,316
Similar ratio
Find third proportional to 199,609.50 and 432,468
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.