Home / 43,288-90,040

Finding the Third Proportional to 43,288 and 90,040

Calculator

Solution

The third proportional to 43,288 and 90,040 is: 187,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,288 : 90,040 = 90,040 : x
  2. Step 2: Convert to fraction form
    43,288/90,040 = 90,040/x
  3. Step 3: Cross multiply
    43,288x = 90,040 × 90,040
  4. Step 4: Simplify right side
    43,288x = 8,107,201,600
  5. Step 5: Solve for x
    x = 8,107,201,600/43,288
  6. Step 6: Final answer
    x = 187,285.20

Related Problems

Find third proportional to 21,644 and 45,020
Half scale
Find third proportional to 86,576 and 180,080
Double scale
Find third proportional to 43,290 and 90,044
Similar ratio
Find third proportional to 64,932 and 135,060
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.