Home / 420,388-922,536

Finding the Third Proportional to 420,388 and 922,536

Calculator

Solution

The third proportional to 420,388 and 922,536 is: 2,024,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,388 : 922,536 = 922,536 : x
  2. Step 2: Convert to fraction form
    420,388/922,536 = 922,536/x
  3. Step 3: Cross multiply
    420,388x = 922,536 × 922,536
  4. Step 4: Simplify right side
    420,388x = 851,072,671,296
  5. Step 5: Solve for x
    x = 851,072,671,296/420,388
  6. Step 6: Final answer
    x = 2,024,493.26

Related Problems

Find third proportional to 210,194 and 461,268
Half scale
Find third proportional to 840,776 and 1,845,072
Double scale
Find third proportional to 420,390 and 922,540
Similar ratio
Find third proportional to 630,582 and 1,383,804
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.