Home / 559,320-790,680

Finding the Third Proportional to 559,320 and 790,680

Calculator

Solution

The third proportional to 559,320 and 790,680 is: 1,117,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,320 : 790,680 = 790,680 : x
  2. Step 2: Convert to fraction form
    559,320/790,680 = 790,680/x
  3. Step 3: Cross multiply
    559,320x = 790,680 × 790,680
  4. Step 4: Simplify right side
    559,320x = 625,174,862,400
  5. Step 5: Solve for x
    x = 625,174,862,400/559,320
  6. Step 6: Final answer
    x = 1,117,740.94

Related Problems

Find third proportional to 279,660 and 395,340
Half scale
Find third proportional to 1,118,640 and 1,581,360
Double scale
Find third proportional to 559,322 and 790,683
Similar ratio
Find third proportional to 838,980 and 1,186,020
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.