Home / 65,640-98,520

Finding the Third Proportional to 65,640 and 98,520

Calculator

Solution

The third proportional to 65,640 and 98,520 is: 147,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,640 : 98,520 = 98,520 : x
  2. Step 2: Convert to fraction form
    65,640/98,520 = 98,520/x
  3. Step 3: Cross multiply
    65,640x = 98,520 × 98,520
  4. Step 4: Simplify right side
    65,640x = 9,706,190,400
  5. Step 5: Solve for x
    x = 9,706,190,400/65,640
  6. Step 6: Final answer
    x = 147,870.05

Related Problems

Find third proportional to 32,820 and 49,260
Half scale
Find third proportional to 131,280 and 197,040
Double scale
Find third proportional to 65,642 and 98,523
Similar ratio
Find third proportional to 98,460 and 147,780
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.