Home / 520,960-781,296

Finding the Third Proportional to 520,960 and 781,296

Calculator

Solution

The third proportional to 520,960 and 781,296 is: 1,171,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,960 : 781,296 = 781,296 : x
  2. Step 2: Convert to fraction form
    520,960/781,296 = 781,296/x
  3. Step 3: Cross multiply
    520,960x = 781,296 × 781,296
  4. Step 4: Simplify right side
    520,960x = 610,423,439,616
  5. Step 5: Solve for x
    x = 610,423,439,616/520,960
  6. Step 6: Final answer
    x = 1,171,728.04

Related Problems

Find third proportional to 260,480 and 390,648
Half scale
Find third proportional to 1,041,920 and 1,562,592
Double scale
Find third proportional to 520,962 and 781,299
Similar ratio
Find third proportional to 781,440 and 1,171,944
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.