Home / 247,890-510,456

Finding the Third Proportional to 247,890 and 510,456

Calculator

Solution

The third proportional to 247,890 and 510,456 is: 1,051,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,890 : 510,456 = 510,456 : x
  2. Step 2: Convert to fraction form
    247,890/510,456 = 510,456/x
  3. Step 3: Cross multiply
    247,890x = 510,456 × 510,456
  4. Step 4: Simplify right side
    247,890x = 260,565,327,936
  5. Step 5: Solve for x
    x = 260,565,327,936/247,890
  6. Step 6: Final answer
    x = 1,051,132.87

Related Problems

Find third proportional to 123,945 and 255,228
Half scale
Find third proportional to 495,780 and 1,020,912
Double scale
Find third proportional to 247,892 and 510,460
Similar ratio
Find third proportional to 371,835 and 765,684
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.