Home / 420,960-901,632

Finding the Third Proportional to 420,960 and 901,632

Calculator

Solution

The third proportional to 420,960 and 901,632 is: 1,931,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,960 : 901,632 = 901,632 : x
  2. Step 2: Convert to fraction form
    420,960/901,632 = 901,632/x
  3. Step 3: Cross multiply
    420,960x = 901,632 × 901,632
  4. Step 4: Simplify right side
    420,960x = 812,940,263,424
  5. Step 5: Solve for x
    x = 812,940,263,424/420,960
  6. Step 6: Final answer
    x = 1,931,157.98

Related Problems

Find third proportional to 210,480 and 450,816
Half scale
Find third proportional to 841,920 and 1,803,264
Double scale
Find third proportional to 420,962 and 901,636
Similar ratio
Find third proportional to 631,440 and 1,352,448
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.