Home / 264,080-390,296

Finding the Third Proportional to 264,080 and 390,296

Calculator

Solution

The third proportional to 264,080 and 390,296 is: 576,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,080 : 390,296 = 390,296 : x
  2. Step 2: Convert to fraction form
    264,080/390,296 = 390,296/x
  3. Step 3: Cross multiply
    264,080x = 390,296 × 390,296
  4. Step 4: Simplify right side
    264,080x = 152,330,967,616
  5. Step 5: Solve for x
    x = 152,330,967,616/264,080
  6. Step 6: Final answer
    x = 576,836.44

Related Problems

Find third proportional to 132,040 and 195,148
Half scale
Find third proportional to 528,160 and 780,592
Double scale
Find third proportional to 264,082 and 390,299
Similar ratio
Find third proportional to 396,120 and 585,444
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.