Home / 282,388-620,936

Finding the Third Proportional to 282,388 and 620,936

Calculator

Solution

The third proportional to 282,388 and 620,936 is: 1,365,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,388 : 620,936 = 620,936 : x
  2. Step 2: Convert to fraction form
    282,388/620,936 = 620,936/x
  3. Step 3: Cross multiply
    282,388x = 620,936 × 620,936
  4. Step 4: Simplify right side
    282,388x = 385,561,516,096
  5. Step 5: Solve for x
    x = 385,561,516,096/282,388
  6. Step 6: Final answer
    x = 1,365,360.84

Related Problems

Find third proportional to 141,194 and 310,468
Half scale
Find third proportional to 564,776 and 1,241,872
Double scale
Find third proportional to 282,390 and 620,940
Similar ratio
Find third proportional to 423,582 and 931,404
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.