Home / 69,323-99,135

Finding the Third Proportional to 69,323 and 99,135

Calculator

Solution

The third proportional to 69,323 and 99,135 is: 141,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,323 : 99,135 = 99,135 : x
  2. Step 2: Convert to fraction form
    69,323/99,135 = 99,135/x
  3. Step 3: Cross multiply
    69,323x = 99,135 × 99,135
  4. Step 4: Simplify right side
    69,323x = 9,827,748,225
  5. Step 5: Solve for x
    x = 9,827,748,225/69,323
  6. Step 6: Final answer
    x = 141,767.50

Related Problems

Find third proportional to 34,661.50 and 49,567.50
Half scale
Find third proportional to 138,646 and 198,270
Double scale
Find third proportional to 69,325 and 99,138
Similar ratio
Find third proportional to 103,984.50 and 148,702.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.