Home / 915.75-1,876.50

Finding the Third Proportional to 915.75 and 1,876.50

Calculator

Solution

The third proportional to 915.75 and 1,876.50 is: 3,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    915.75 : 1,876.50 = 1,876.50 : x
  2. Step 2: Convert to fraction form
    915.75/1,876.50 = 1,876.50/x
  3. Step 3: Cross multiply
    915.75x = 1,876.50 × 1,876.50
  4. Step 4: Simplify right side
    915.75x = 3,521,252.25
  5. Step 5: Solve for x
    x = 3,521,252.25/915.75
  6. Step 6: Final answer
    x = 3,845.21

Related Problems

Find third proportional to 457.88 and 938.25
Half scale
Find third proportional to 1,831.50 and 3,753
Double scale
Find third proportional to 918 and 1,881
Similar ratio
Find third proportional to 1,373.63 and 2,814.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.