Home / 21,038-45,356

Finding the Third Proportional to 21,038 and 45,356

Calculator

Solution

The third proportional to 21,038 and 45,356 is: 97,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038 : 45,356 = 45,356 : x
  2. Step 2: Convert to fraction form
    21,038/45,356 = 45,356/x
  3. Step 3: Cross multiply
    21,038x = 45,356 × 45,356
  4. Step 4: Simplify right side
    21,038x = 2,057,166,736
  5. Step 5: Solve for x
    x = 2,057,166,736/21,038
  6. Step 6: Final answer
    x = 97,783.38

Related Problems

Find third proportional to 10,519 and 22,678
Half scale
Find third proportional to 42,076 and 90,712
Double scale
Find third proportional to 21,040 and 45,360
Similar ratio
Find third proportional to 31,557 and 68,034
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.