Home / 5,280-7,388

Finding the Third Proportional to 5,280 and 7,388

Calculator

Solution

The third proportional to 5,280 and 7,388 is: 10,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280 : 7,388 = 7,388 : x
  2. Step 2: Convert to fraction form
    5,280/7,388 = 7,388/x
  3. Step 3: Cross multiply
    5,280x = 7,388 × 7,388
  4. Step 4: Simplify right side
    5,280x = 54,582,544
  5. Step 5: Solve for x
    x = 54,582,544/5,280
  6. Step 6: Final answer
    x = 10,337.60

Related Problems

Find third proportional to 2,640 and 3,694
Half scale
Find third proportional to 10,560 and 14,776
Double scale
Find third proportional to 5,282 and 7,391
Similar ratio
Find third proportional to 7,920 and 11,082
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.