Home / 987,455-1,323,717

Finding the Third Proportional to 987,455 and 1,323,717

Calculator

Solution

The third proportional to 987,455 and 1,323,717 is: 1,774,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,455 : 1,323,717 = 1,323,717 : x
  2. Step 2: Convert to fraction form
    987,455/1,323,717 = 1,323,717/x
  3. Step 3: Cross multiply
    987,455x = 1,323,717 × 1,323,717
  4. Step 4: Simplify right side
    987,455x = 1,752,226,696,089
  5. Step 5: Solve for x
    x = 1,752,226,696,089/987,455
  6. Step 6: Final answer
    x = 1,774,487.64

Related Problems

Find third proportional to 493,727.50 and 661,858.50
Half scale
Find third proportional to 1,974,910 and 2,647,434
Double scale
Find third proportional to 987,457 and 1,323,720
Similar ratio
Find third proportional to 1,481,182.50 and 1,985,575.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.