Home / 523,640-805,872

Finding the Third Proportional to 523,640 and 805,872

Calculator

Solution

The third proportional to 523,640 and 805,872 is: 1,240,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,640 : 805,872 = 805,872 : x
  2. Step 2: Convert to fraction form
    523,640/805,872 = 805,872/x
  3. Step 3: Cross multiply
    523,640x = 805,872 × 805,872
  4. Step 4: Simplify right side
    523,640x = 649,429,680,384
  5. Step 5: Solve for x
    x = 649,429,680,384/523,640
  6. Step 6: Final answer
    x = 1,240,221.68

Related Problems

Find third proportional to 261,820 and 402,936
Half scale
Find third proportional to 1,047,280 and 1,611,744
Double scale
Find third proportional to 523,642 and 805,875
Similar ratio
Find third proportional to 785,460 and 1,208,808
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.