Home / 55,248-87,620

Finding the Third Proportional to 55,248 and 87,620

Calculator

Solution

The third proportional to 55,248 and 87,620 is: 138,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248 : 87,620 = 87,620 : x
  2. Step 2: Convert to fraction form
    55,248/87,620 = 87,620/x
  3. Step 3: Cross multiply
    55,248x = 87,620 × 87,620
  4. Step 4: Simplify right side
    55,248x = 7,677,264,400
  5. Step 5: Solve for x
    x = 7,677,264,400/55,248
  6. Step 6: Final answer
    x = 138,960.04

Related Problems

Find third proportional to 27,624 and 43,810
Half scale
Find third proportional to 110,496 and 175,240
Double scale
Find third proportional to 55,250 and 87,623
Similar ratio
Find third proportional to 82,872 and 131,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.