Home / 294,672-643,316

Finding the Third Proportional to 294,672 and 643,316

Calculator

Solution

The third proportional to 294,672 and 643,316 is: 1,404,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,672 : 643,316 = 643,316 : x
  2. Step 2: Convert to fraction form
    294,672/643,316 = 643,316/x
  3. Step 3: Cross multiply
    294,672x = 643,316 × 643,316
  4. Step 4: Simplify right side
    294,672x = 413,855,475,856
  5. Step 5: Solve for x
    x = 413,855,475,856/294,672
  6. Step 6: Final answer
    x = 1,404,461.49

Related Problems

Find third proportional to 147,336 and 321,658
Half scale
Find third proportional to 589,344 and 1,286,632
Double scale
Find third proportional to 294,674 and 643,320
Similar ratio
Find third proportional to 442,008 and 964,974
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.