Home / 21,516-47,292

Finding the Third Proportional to 21,516 and 47,292

Calculator

Solution

The third proportional to 21,516 and 47,292 is: 103,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516 : 47,292 = 47,292 : x
  2. Step 2: Convert to fraction form
    21,516/47,292 = 47,292/x
  3. Step 3: Cross multiply
    21,516x = 47,292 × 47,292
  4. Step 4: Simplify right side
    21,516x = 2,236,533,264
  5. Step 5: Solve for x
    x = 2,236,533,264/21,516
  6. Step 6: Final answer
    x = 103,947.45

Related Problems

Find third proportional to 10,758 and 23,646
Half scale
Find third proportional to 43,032 and 94,584
Double scale
Find third proportional to 21,518 and 47,296
Similar ratio
Find third proportional to 32,274 and 70,938
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.