Home / 520,785-786,708

Finding the Third Proportional to 520,785 and 786,708

Calculator

Solution

The third proportional to 520,785 and 786,708 is: 1,188,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,785 : 786,708 = 786,708 : x
  2. Step 2: Convert to fraction form
    520,785/786,708 = 786,708/x
  3. Step 3: Cross multiply
    520,785x = 786,708 × 786,708
  4. Step 4: Simplify right side
    520,785x = 618,909,477,264
  5. Step 5: Solve for x
    x = 618,909,477,264/520,785
  6. Step 6: Final answer
    x = 1,188,416.48

Related Problems

Find third proportional to 260,392.50 and 393,354
Half scale
Find third proportional to 1,041,570 and 1,573,416
Double scale
Find third proportional to 520,787 and 786,711
Similar ratio
Find third proportional to 781,177.50 and 1,180,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.