Home / 520,082-825,220

Finding the Third Proportional to 520,082 and 825,220

Calculator

Solution

The third proportional to 520,082 and 825,220 is: 1,309,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,082 : 825,220 = 825,220 : x
  2. Step 2: Convert to fraction form
    520,082/825,220 = 825,220/x
  3. Step 3: Cross multiply
    520,082x = 825,220 × 825,220
  4. Step 4: Simplify right side
    520,082x = 680,988,048,400
  5. Step 5: Solve for x
    x = 680,988,048,400/520,082
  6. Step 6: Final answer
    x = 1,309,385.92

Related Problems

Find third proportional to 260,041 and 412,610
Half scale
Find third proportional to 1,040,164 and 1,650,440
Double scale
Find third proportional to 520,084 and 825,223
Similar ratio
Find third proportional to 780,123 and 1,237,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.