Home / 388,429-847,468

Finding the Third Proportional to 388,429 and 847,468

Calculator

Solution

The third proportional to 388,429 and 847,468 is: 1,848,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,429 : 847,468 = 847,468 : x
  2. Step 2: Convert to fraction form
    388,429/847,468 = 847,468/x
  3. Step 3: Cross multiply
    388,429x = 847,468 × 847,468
  4. Step 4: Simplify right side
    388,429x = 718,202,011,024
  5. Step 5: Solve for x
    x = 718,202,011,024/388,429
  6. Step 6: Final answer
    x = 1,848,991.74

Related Problems

Find third proportional to 194,214.50 and 423,734
Half scale
Find third proportional to 776,858 and 1,694,936
Double scale
Find third proportional to 388,431 and 847,472
Similar ratio
Find third proportional to 582,643.50 and 1,271,202
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.