Home / 421,604-616,632

Finding the Third Proportional to 421,604 and 616,632

Calculator

Solution

The third proportional to 421,604 and 616,632 is: 901,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,604 : 616,632 = 616,632 : x
  2. Step 2: Convert to fraction form
    421,604/616,632 = 616,632/x
  3. Step 3: Cross multiply
    421,604x = 616,632 × 616,632
  4. Step 4: Simplify right side
    421,604x = 380,235,023,424
  5. Step 5: Solve for x
    x = 380,235,023,424/421,604
  6. Step 6: Final answer
    x = 901,877.17

Related Problems

Find third proportional to 210,802 and 308,316
Half scale
Find third proportional to 843,208 and 1,233,264
Double scale
Find third proportional to 421,606 and 616,635
Similar ratio
Find third proportional to 632,406 and 924,948
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.