Home / 247,640-542,750

Finding the Third Proportional to 247,640 and 542,750

Calculator

Solution

The third proportional to 247,640 and 542,750 is: 1,189,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,640 : 542,750 = 542,750 : x
  2. Step 2: Convert to fraction form
    247,640/542,750 = 542,750/x
  3. Step 3: Cross multiply
    247,640x = 542,750 × 542,750
  4. Step 4: Simplify right side
    247,640x = 294,577,562,500
  5. Step 5: Solve for x
    x = 294,577,562,500/247,640
  6. Step 6: Final answer
    x = 1,189,539.50

Related Problems

Find third proportional to 123,820 and 271,375
Half scale
Find third proportional to 495,280 and 1,085,500
Double scale
Find third proportional to 247,642 and 542,754
Similar ratio
Find third proportional to 371,460 and 814,125
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.