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Finding the Third Proportional to 54,705,132 and 86,624,172

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Solution

The third proportional to 54,705,132 and 86,624,172 is: 137,167,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705,132 : 86,624,172 = 86,624,172 : x
  2. Step 2: Convert to fraction form
    54,705,132/86,624,172 = 86,624,172/x
  3. Step 3: Cross multiply
    54,705,132x = 86,624,172 × 86,624,172
  4. Step 4: Simplify right side
    54,705,132x = 7,503,747,174,685,584
  5. Step 5: Solve for x
    x = 7,503,747,174,685,584/54,705,132
  6. Step 6: Final answer
    x = 137,167,152.34

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.