Home / 247,515-383,910

Finding the Third Proportional to 247,515 and 383,910

Calculator

Solution

The third proportional to 247,515 and 383,910 is: 595,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,515 : 383,910 = 383,910 : x
  2. Step 2: Convert to fraction form
    247,515/383,910 = 383,910/x
  3. Step 3: Cross multiply
    247,515x = 383,910 × 383,910
  4. Step 4: Simplify right side
    247,515x = 147,386,888,100
  5. Step 5: Solve for x
    x = 147,386,888,100/247,515
  6. Step 6: Final answer
    x = 595,466.49

Related Problems

Find third proportional to 123,757.50 and 191,955
Half scale
Find third proportional to 495,030 and 767,820
Double scale
Find third proportional to 247,517 and 383,913
Similar ratio
Find third proportional to 371,272.50 and 575,865
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.