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Finding the Third Proportional to 12,926,387 and 19,658,177

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Solution

The third proportional to 12,926,387 and 19,658,177 is: 29,895,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,387 : 19,658,177 = 19,658,177 : x
  2. Step 2: Convert to fraction form
    12,926,387/19,658,177 = 19,658,177/x
  3. Step 3: Cross multiply
    12,926,387x = 19,658,177 × 19,658,177
  4. Step 4: Simplify right side
    12,926,387x = 386,443,922,963,329
  5. Step 5: Solve for x
    x = 386,443,922,963,329/12,926,387
  6. Step 6: Final answer
    x = 29,895,741.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.