Home / 65,814,136.88-142,609,929.75

Finding the Third Proportional to 65,814,136.88 and 142,609,929.75

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Solution

The third proportional to 65,814,136.88 and 142,609,929.75 is: 309,015,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,814,136.88 : 142,609,929.75 = 142,609,929.75 : x
  2. Step 2: Convert to fraction form
    65,814,136.88/142,609,929.75 = 142,609,929.75/x
  3. Step 3: Cross multiply
    65,814,136.88x = 142,609,929.75 × 142,609,929.75
  4. Step 4: Simplify right side
    65,814,136.88x = 20,337,592,063,299,936
  5. Step 5: Solve for x
    x = 20,337,592,063,299,936/65,814,136.88
  6. Step 6: Final answer
    x = 309,015,555.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.