Home / 128,994-267,102

Finding the Third Proportional to 128,994 and 267,102

Calculator

Solution

The third proportional to 128,994 and 267,102 is: 553,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,994 : 267,102 = 267,102 : x
  2. Step 2: Convert to fraction form
    128,994/267,102 = 267,102/x
  3. Step 3: Cross multiply
    128,994x = 267,102 × 267,102
  4. Step 4: Simplify right side
    128,994x = 71,343,478,404
  5. Step 5: Solve for x
    x = 71,343,478,404/128,994
  6. Step 6: Final answer
    x = 553,075.94

Related Problems

Find third proportional to 64,497 and 133,551
Half scale
Find third proportional to 257,988 and 534,204
Double scale
Find third proportional to 128,996 and 267,106
Similar ratio
Find third proportional to 193,491 and 400,653
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.