Home / 143,080,683.75-309,931,129.50

Finding the Third Proportional to 143,080,683.75 and 309,931,129.50

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Solution

The third proportional to 143,080,683.75 and 309,931,129.50 is: 671,350,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080,683.75 : 309,931,129.50 = 309,931,129.50 : x
  2. Step 2: Convert to fraction form
    143,080,683.75/309,931,129.50 = 309,931,129.50/x
  3. Step 3: Cross multiply
    143,080,683.75x = 309,931,129.50 × 309,931,129.50
  4. Step 4: Simplify right side
    143,080,683.75x = 96,057,305,033,145,776
  5. Step 5: Solve for x
    x = 96,057,305,033,145,776/143,080,683.75
  6. Step 6: Final answer
    x = 671,350,615.02

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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.