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Finding the Third Proportional to 12,257,684 and 19,750,394

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Solution

The third proportional to 12,257,684 and 19,750,394 is: 31,823,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257,684 : 19,750,394 = 19,750,394 : x
  2. Step 2: Convert to fraction form
    12,257,684/19,750,394 = 19,750,394/x
  3. Step 3: Cross multiply
    12,257,684x = 19,750,394 × 19,750,394
  4. Step 4: Simplify right side
    12,257,684x = 390,078,063,155,236
  5. Step 5: Solve for x
    x = 390,078,063,155,236/12,257,684
  6. Step 6: Final answer
    x = 31,823,145.64

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.