Home / 10,603-15,578

Finding the Third Proportional to 10,603 and 15,578

Calculator

Solution

The third proportional to 10,603 and 15,578 is: 22,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603 : 15,578 = 15,578 : x
  2. Step 2: Convert to fraction form
    10,603/15,578 = 15,578/x
  3. Step 3: Cross multiply
    10,603x = 15,578 × 15,578
  4. Step 4: Simplify right side
    10,603x = 242,674,084
  5. Step 5: Solve for x
    x = 242,674,084/10,603
  6. Step 6: Final answer
    x = 22,887.30

Related Problems

Find third proportional to 5,301.50 and 7,789
Half scale
Find third proportional to 21,206 and 31,156
Double scale
Find third proportional to 10,605 and 15,581
Similar ratio
Find third proportional to 15,904.50 and 23,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.