Home / 6,487-9,518

Finding the Third Proportional to 6,487 and 9,518

Calculator

Solution

The third proportional to 6,487 and 9,518 is: 13,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487 : 9,518 = 9,518 : x
  2. Step 2: Convert to fraction form
    6,487/9,518 = 9,518/x
  3. Step 3: Cross multiply
    6,487x = 9,518 × 9,518
  4. Step 4: Simplify right side
    6,487x = 90,592,324
  5. Step 5: Solve for x
    x = 90,592,324/6,487
  6. Step 6: Final answer
    x = 13,965.21

Related Problems

Find third proportional to 3,243.50 and 4,759
Half scale
Find third proportional to 12,974 and 19,036
Double scale
Find third proportional to 6,489 and 9,521
Similar ratio
Find third proportional to 9,730.50 and 14,277
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.