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Finding the Third Proportional to 18,302,610 and 39,792,420

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Solution

The third proportional to 18,302,610 and 39,792,420 is: 86,514,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302,610 : 39,792,420 = 39,792,420 : x
  2. Step 2: Convert to fraction form
    18,302,610/39,792,420 = 39,792,420/x
  3. Step 3: Cross multiply
    18,302,610x = 39,792,420 × 39,792,420
  4. Step 4: Simplify right side
    18,302,610x = 1,583,436,689,456,400
  5. Step 5: Solve for x
    x = 1,583,436,689,456,400/18,302,610
  6. Step 6: Final answer
    x = 86,514,256.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.