Home / 370,678-813,526

Finding the Third Proportional to 370,678 and 813,526

Calculator

Solution

The third proportional to 370,678 and 813,526 is: 1,785,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,678 : 813,526 = 813,526 : x
  2. Step 2: Convert to fraction form
    370,678/813,526 = 813,526/x
  3. Step 3: Cross multiply
    370,678x = 813,526 × 813,526
  4. Step 4: Simplify right side
    370,678x = 661,824,552,676
  5. Step 5: Solve for x
    x = 661,824,552,676/370,678
  6. Step 6: Final answer
    x = 1,785,443.30

Related Problems

Find third proportional to 185,339 and 406,763
Half scale
Find third proportional to 741,356 and 1,627,052
Double scale
Find third proportional to 370,680 and 813,530
Similar ratio
Find third proportional to 556,017 and 1,220,289
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.