Home / 91,312-122,136

Finding the Third Proportional to 91,312 and 122,136

Calculator

Solution

The third proportional to 91,312 and 122,136 is: 163,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,312 : 122,136 = 122,136 : x
  2. Step 2: Convert to fraction form
    91,312/122,136 = 122,136/x
  3. Step 3: Cross multiply
    91,312x = 122,136 × 122,136
  4. Step 4: Simplify right side
    91,312x = 14,917,202,496
  5. Step 5: Solve for x
    x = 14,917,202,496/91,312
  6. Step 6: Final answer
    x = 163,365.19

Related Problems

Find third proportional to 45,656 and 61,068
Half scale
Find third proportional to 182,624 and 244,272
Double scale
Find third proportional to 91,314 and 122,139
Similar ratio
Find third proportional to 136,968 and 183,204
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.