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Finding the Third Proportional to 18,612,477 and 39,371,130

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Solution

The third proportional to 18,612,477 and 39,371,130 is: 83,282,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,477 : 39,371,130 = 39,371,130 : x
  2. Step 2: Convert to fraction form
    18,612,477/39,371,130 = 39,371,130/x
  3. Step 3: Cross multiply
    18,612,477x = 39,371,130 × 39,371,130
  4. Step 4: Simplify right side
    18,612,477x = 1,550,085,877,476,900
  5. Step 5: Solve for x
    x = 1,550,085,877,476,900/18,612,477
  6. Step 6: Final answer
    x = 83,282,084.24

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.