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Finding the Third Proportional to 13,249,554 and 19,940,671

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Solution

The third proportional to 13,249,554 and 19,940,671 is: 30,010,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,554 : 19,940,671 = 19,940,671 : x
  2. Step 2: Convert to fraction form
    13,249,554/19,940,671 = 19,940,671/x
  3. Step 3: Cross multiply
    13,249,554x = 19,940,671 × 19,940,671
  4. Step 4: Simplify right side
    13,249,554x = 397,630,359,930,241
  5. Step 5: Solve for x
    x = 397,630,359,930,241/13,249,554
  6. Step 6: Final answer
    x = 30,010,848.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.