Home / 443,684-665,309

Finding the Third Proportional to 443,684 and 665,309

Calculator

Solution

The third proportional to 443,684 and 665,309 is: 997,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,684 : 665,309 = 665,309 : x
  2. Step 2: Convert to fraction form
    443,684/665,309 = 665,309/x
  3. Step 3: Cross multiply
    443,684x = 665,309 × 665,309
  4. Step 4: Simplify right side
    443,684x = 442,636,065,481
  5. Step 5: Solve for x
    x = 442,636,065,481/443,684
  6. Step 6: Final answer
    x = 997,638.11

Related Problems

Find third proportional to 221,842 and 332,654.50
Half scale
Find third proportional to 887,368 and 1,330,618
Double scale
Find third proportional to 443,686 and 665,312
Similar ratio
Find third proportional to 665,526 and 997,963.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.