Home / 15,564-18,892

Finding the Third Proportional to 15,564 and 18,892

Calculator

Solution

The third proportional to 15,564 and 18,892 is: 22,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564 : 18,892 = 18,892 : x
  2. Step 2: Convert to fraction form
    15,564/18,892 = 18,892/x
  3. Step 3: Cross multiply
    15,564x = 18,892 × 18,892
  4. Step 4: Simplify right side
    15,564x = 356,907,664
  5. Step 5: Solve for x
    x = 356,907,664/15,564
  6. Step 6: Final answer
    x = 22,931.62

Related Problems

Find third proportional to 7,782 and 9,446
Half scale
Find third proportional to 31,128 and 37,784
Double scale
Find third proportional to 15,566 and 18,894
Similar ratio
Find third proportional to 23,346 and 28,338
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.