Home / 30,073-64,580

Finding the Third Proportional to 30,073 and 64,580

Calculator

Solution

The third proportional to 30,073 and 64,580 is: 138,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073 : 64,580 = 64,580 : x
  2. Step 2: Convert to fraction form
    30,073/64,580 = 64,580/x
  3. Step 3: Cross multiply
    30,073x = 64,580 × 64,580
  4. Step 4: Simplify right side
    30,073x = 4,170,576,400
  5. Step 5: Solve for x
    x = 4,170,576,400/30,073
  6. Step 6: Final answer
    x = 138,681.75

Related Problems

Find third proportional to 15,036.50 and 32,290
Half scale
Find third proportional to 60,146 and 129,160
Double scale
Find third proportional to 30,075 and 64,584
Similar ratio
Find third proportional to 45,109.50 and 96,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.