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Finding the Third Proportional to 55,989,555 and 86,932,170

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Solution

The third proportional to 55,989,555 and 86,932,170 is: 134,975,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989,555 : 86,932,170 = 86,932,170 : x
  2. Step 2: Convert to fraction form
    55,989,555/86,932,170 = 86,932,170/x
  3. Step 3: Cross multiply
    55,989,555x = 86,932,170 × 86,932,170
  4. Step 4: Simplify right side
    55,989,555x = 7,557,202,180,908,900
  5. Step 5: Solve for x
    x = 7,557,202,180,908,900/55,989,555
  6. Step 6: Final answer
    x = 134,975,214.23

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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.