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Finding the Third Proportional to 15,941,678 and 25,378,696

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Solution

The third proportional to 15,941,678 and 25,378,696 is: 40,402,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941,678 : 25,378,696 = 25,378,696 : x
  2. Step 2: Convert to fraction form
    15,941,678/25,378,696 = 25,378,696/x
  3. Step 3: Cross multiply
    15,941,678x = 25,378,696 × 25,378,696
  4. Step 4: Simplify right side
    15,941,678x = 644,078,210,660,416
  5. Step 5: Solve for x
    x = 644,078,210,660,416/15,941,678
  6. Step 6: Final answer
    x = 40,402,159.09

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.