Home / 560,584-870,400

Finding the Third Proportional to 560,584 and 870,400

Calculator

Solution

The third proportional to 560,584 and 870,400 is: 1,351,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,584 : 870,400 = 870,400 : x
  2. Step 2: Convert to fraction form
    560,584/870,400 = 870,400/x
  3. Step 3: Cross multiply
    560,584x = 870,400 × 870,400
  4. Step 4: Simplify right side
    560,584x = 757,596,160,000
  5. Step 5: Solve for x
    x = 757,596,160,000/560,584
  6. Step 6: Final answer
    x = 1,351,440.93

Related Problems

Find third proportional to 280,292 and 435,200
Half scale
Find third proportional to 1,121,168 and 1,740,800
Double scale
Find third proportional to 560,586 and 870,403
Similar ratio
Find third proportional to 840,876 and 1,305,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.