Home / 58,578-90,783

Finding the Third Proportional to 58,578 and 90,783

Calculator

Solution

The third proportional to 58,578 and 90,783 is: 140,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,578 : 90,783 = 90,783 : x
  2. Step 2: Convert to fraction form
    58,578/90,783 = 90,783/x
  3. Step 3: Cross multiply
    58,578x = 90,783 × 90,783
  4. Step 4: Simplify right side
    58,578x = 8,241,553,089
  5. Step 5: Solve for x
    x = 8,241,553,089/58,578
  6. Step 6: Final answer
    x = 140,693.66

Related Problems

Find third proportional to 29,289 and 45,391.50
Half scale
Find third proportional to 117,156 and 181,566
Double scale
Find third proportional to 58,580 and 90,786
Similar ratio
Find third proportional to 87,867 and 136,174.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.