Home / 307,026-660,708

Finding the Third Proportional to 307,026 and 660,708

Calculator

Solution

The third proportional to 307,026 and 660,708 is: 1,421,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,026 : 660,708 = 660,708 : x
  2. Step 2: Convert to fraction form
    307,026/660,708 = 660,708/x
  3. Step 3: Cross multiply
    307,026x = 660,708 × 660,708
  4. Step 4: Simplify right side
    307,026x = 436,535,061,264
  5. Step 5: Solve for x
    x = 436,535,061,264/307,026
  6. Step 6: Final answer
    x = 1,421,817.90

Related Problems

Find third proportional to 153,513 and 330,354
Half scale
Find third proportional to 614,052 and 1,321,416
Double scale
Find third proportional to 307,028 and 660,712
Similar ratio
Find third proportional to 460,539 and 991,062
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.