Home / 55,872-121,776

Finding the Third Proportional to 55,872 and 121,776

Calculator

Solution

The third proportional to 55,872 and 121,776 is: 265,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,872 : 121,776 = 121,776 : x
  2. Step 2: Convert to fraction form
    55,872/121,776 = 121,776/x
  3. Step 3: Cross multiply
    55,872x = 121,776 × 121,776
  4. Step 4: Simplify right side
    55,872x = 14,829,394,176
  5. Step 5: Solve for x
    x = 14,829,394,176/55,872
  6. Step 6: Final answer
    x = 265,417.28

Related Problems

Find third proportional to 27,936 and 60,888
Half scale
Find third proportional to 111,744 and 243,552
Double scale
Find third proportional to 55,874 and 121,780
Similar ratio
Find third proportional to 83,808 and 182,664
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.