Home / 78,528,752.44-172,635,365.81

Finding the Third Proportional to 78,528,752.44 and 172,635,365.81

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Solution

The third proportional to 78,528,752.44 and 172,635,365.81 is: 379,516,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528,752.44 : 172,635,365.81 = 172,635,365.81 : x
  2. Step 2: Convert to fraction form
    78,528,752.44/172,635,365.81 = 172,635,365.81/x
  3. Step 3: Cross multiply
    78,528,752.44x = 172,635,365.81 × 172,635,365.81
  4. Step 4: Simplify right side
    78,528,752.44x = 29,802,969,529,215,692
  5. Step 5: Solve for x
    x = 29,802,969,529,215,692/78,528,752.44
  6. Step 6: Final answer
    x = 379,516,656.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.