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Finding the Third Proportional to 12,926,387 and 19,658,217

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Solution

The third proportional to 12,926,387 and 19,658,217 is: 29,895,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,387 : 19,658,217 = 19,658,217 : x
  2. Step 2: Convert to fraction form
    12,926,387/19,658,217 = 19,658,217/x
  3. Step 3: Cross multiply
    12,926,387x = 19,658,217 × 19,658,217
  4. Step 4: Simplify right side
    12,926,387x = 386,445,495,619,089
  5. Step 5: Solve for x
    x = 386,445,495,619,089/12,926,387
  6. Step 6: Final answer
    x = 29,895,863.06

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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.