Home / 8,387-9,710

Finding the Third Proportional to 8,387 and 9,710

Calculator

Solution

The third proportional to 8,387 and 9,710 is: 11,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387 : 9,710 = 9,710 : x
  2. Step 2: Convert to fraction form
    8,387/9,710 = 9,710/x
  3. Step 3: Cross multiply
    8,387x = 9,710 × 9,710
  4. Step 4: Simplify right side
    8,387x = 94,284,100
  5. Step 5: Solve for x
    x = 94,284,100/8,387
  6. Step 6: Final answer
    x = 11,241.70

Related Problems

Find third proportional to 4,193.50 and 4,855
Half scale
Find third proportional to 16,774 and 19,420
Double scale
Find third proportional to 8,389 and 9,712
Similar ratio
Find third proportional to 12,580.50 and 14,565
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.