Home / 21,564-45,720

Finding the Third Proportional to 21,564 and 45,720

Calculator

Solution

The third proportional to 21,564 and 45,720 is: 96,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564 : 45,720 = 45,720 : x
  2. Step 2: Convert to fraction form
    21,564/45,720 = 45,720/x
  3. Step 3: Cross multiply
    21,564x = 45,720 × 45,720
  4. Step 4: Simplify right side
    21,564x = 2,090,318,400
  5. Step 5: Solve for x
    x = 2,090,318,400/21,564
  6. Step 6: Final answer
    x = 96,935.56

Related Problems

Find third proportional to 10,782 and 22,860
Half scale
Find third proportional to 43,128 and 91,440
Double scale
Find third proportional to 21,566 and 45,724
Similar ratio
Find third proportional to 32,346 and 68,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.