Home / 294,982-643,544

Finding the Third Proportional to 294,982 and 643,544

Calculator

Solution

The third proportional to 294,982 and 643,544 is: 1,403,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,982 : 643,544 = 643,544 : x
  2. Step 2: Convert to fraction form
    294,982/643,544 = 643,544/x
  3. Step 3: Cross multiply
    294,982x = 643,544 × 643,544
  4. Step 4: Simplify right side
    294,982x = 414,148,879,936
  5. Step 5: Solve for x
    x = 414,148,879,936/294,982
  6. Step 6: Final answer
    x = 1,403,980.17

Related Problems

Find third proportional to 147,491 and 321,772
Half scale
Find third proportional to 589,964 and 1,287,088
Double scale
Find third proportional to 294,984 and 643,548
Similar ratio
Find third proportional to 442,473 and 965,316
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.