Home / 282,424.50-440,311.50

Finding the Third Proportional to 282,424.50 and 440,311.50

Calculator

Solution

The third proportional to 282,424.50 and 440,311.50 is: 686,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,424.50 : 440,311.50 = 440,311.50 : x
  2. Step 2: Convert to fraction form
    282,424.50/440,311.50 = 440,311.50/x
  3. Step 3: Cross multiply
    282,424.50x = 440,311.50 × 440,311.50
  4. Step 4: Simplify right side
    282,424.50x = 193,874,217,032.25
  5. Step 5: Solve for x
    x = 193,874,217,032.25/282,424.50
  6. Step 6: Final answer
    x = 686,463.88

Related Problems

Find third proportional to 141,212.25 and 220,155.75
Half scale
Find third proportional to 564,849 and 880,623
Double scale
Find third proportional to 282,427 and 440,315
Similar ratio
Find third proportional to 423,636.75 and 660,467.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.