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Finding the Third Proportional to 55,857,008 and 87,180,201

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Solution

The third proportional to 55,857,008 and 87,180,201 is: 136,068,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857,008 : 87,180,201 = 87,180,201 : x
  2. Step 2: Convert to fraction form
    55,857,008/87,180,201 = 87,180,201/x
  3. Step 3: Cross multiply
    55,857,008x = 87,180,201 × 87,180,201
  4. Step 4: Simplify right side
    55,857,008x = 7,600,387,446,400,401
  5. Step 5: Solve for x
    x = 7,600,387,446,400,401/55,857,008
  6. Step 6: Final answer
    x = 136,068,645.97

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.