Home / 420,656-652,588

Finding the Third Proportional to 420,656 and 652,588

Calculator

Solution

The third proportional to 420,656 and 652,588 is: 1,012,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,656 : 652,588 = 652,588 : x
  2. Step 2: Convert to fraction form
    420,656/652,588 = 652,588/x
  3. Step 3: Cross multiply
    420,656x = 652,588 × 652,588
  4. Step 4: Simplify right side
    420,656x = 425,871,097,744
  5. Step 5: Solve for x
    x = 425,871,097,744/420,656
  6. Step 6: Final answer
    x = 1,012,397.54

Related Problems

Find third proportional to 210,328 and 326,294
Half scale
Find third proportional to 841,312 and 1,305,176
Double scale
Find third proportional to 420,658 and 652,591
Similar ratio
Find third proportional to 630,984 and 978,882
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.