Home / 39,722-87,030

Finding the Third Proportional to 39,722 and 87,030

Calculator

Solution

The third proportional to 39,722 and 87,030 is: 190,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722 : 87,030 = 87,030 : x
  2. Step 2: Convert to fraction form
    39,722/87,030 = 87,030/x
  3. Step 3: Cross multiply
    39,722x = 87,030 × 87,030
  4. Step 4: Simplify right side
    39,722x = 7,574,220,900
  5. Step 5: Solve for x
    x = 7,574,220,900/39,722
  6. Step 6: Final answer
    x = 190,680.75

Related Problems

Find third proportional to 19,861 and 43,515
Half scale
Find third proportional to 79,444 and 174,060
Double scale
Find third proportional to 39,724 and 87,034
Similar ratio
Find third proportional to 59,583 and 130,545
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.