Home / 8,680,688-18,855,856

Finding the Third Proportional to 8,680,688 and 18,855,856

Calculator

Solution

The third proportional to 8,680,688 and 18,855,856 is: 40,957,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,688 : 18,855,856 = 18,855,856 : x
  2. Step 2: Convert to fraction form
    8,680,688/18,855,856 = 18,855,856/x
  3. Step 3: Cross multiply
    8,680,688x = 18,855,856 × 18,855,856
  4. Step 4: Simplify right side
    8,680,688x = 355,543,305,492,736
  5. Step 5: Solve for x
    x = 355,543,305,492,736/8,680,688
  6. Step 6: Final answer
    x = 40,957,963.87

Related Problems

Find third proportional to 4,340,344 and 9,427,928
Half scale
Find third proportional to 17,361,376 and 37,711,712
Double scale
Find third proportional to 8,680,690 and 18,855,860
Similar ratio
Find third proportional to 13,021,032 and 28,283,784
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.