Home / 28,389-45,042

Finding the Third Proportional to 28,389 and 45,042

Calculator

Solution

The third proportional to 28,389 and 45,042 is: 71,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389 : 45,042 = 45,042 : x
  2. Step 2: Convert to fraction form
    28,389/45,042 = 45,042/x
  3. Step 3: Cross multiply
    28,389x = 45,042 × 45,042
  4. Step 4: Simplify right side
    28,389x = 2,028,781,764
  5. Step 5: Solve for x
    x = 2,028,781,764/28,389
  6. Step 6: Final answer
    x = 71,463.66

Related Problems

Find third proportional to 14,194.50 and 22,521
Half scale
Find third proportional to 56,778 and 90,084
Double scale
Find third proportional to 28,391 and 45,045
Similar ratio
Find third proportional to 42,583.50 and 67,563
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.