Home / 30,699-36,306

Finding the Third Proportional to 30,699 and 36,306

Calculator

Solution

The third proportional to 30,699 and 36,306 is: 42,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699 : 36,306 = 36,306 : x
  2. Step 2: Convert to fraction form
    30,699/36,306 = 36,306/x
  3. Step 3: Cross multiply
    30,699x = 36,306 × 36,306
  4. Step 4: Simplify right side
    30,699x = 1,318,125,636
  5. Step 5: Solve for x
    x = 1,318,125,636/30,699
  6. Step 6: Final answer
    x = 42,937.09

Related Problems

Find third proportional to 15,349.50 and 18,153
Half scale
Find third proportional to 61,398 and 72,612
Double scale
Find third proportional to 30,701 and 36,308
Similar ratio
Find third proportional to 46,048.50 and 54,459
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.