Home / 201,698-429,890

Finding the Third Proportional to 201,698 and 429,890

Calculator

Solution

The third proportional to 201,698 and 429,890 is: 916,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,698 : 429,890 = 429,890 : x
  2. Step 2: Convert to fraction form
    201,698/429,890 = 429,890/x
  3. Step 3: Cross multiply
    201,698x = 429,890 × 429,890
  4. Step 4: Simplify right side
    201,698x = 184,805,412,100
  5. Step 5: Solve for x
    x = 184,805,412,100/201,698
  6. Step 6: Final answer
    x = 916,248.11

Related Problems

Find third proportional to 100,849 and 214,945
Half scale
Find third proportional to 403,396 and 859,780
Double scale
Find third proportional to 201,700 and 429,894
Similar ratio
Find third proportional to 302,547 and 644,835
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.