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Finding the Third Proportional to 7,747,768 and 16,890,570.50

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Solution

The third proportional to 7,747,768 and 16,890,570.50 is: 36,822,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747,768 : 16,890,570.50 = 16,890,570.50 : x
  2. Step 2: Convert to fraction form
    7,747,768/16,890,570.50 = 16,890,570.50/x
  3. Step 3: Cross multiply
    7,747,768x = 16,890,570.50 × 16,890,570.50
  4. Step 4: Simplify right side
    7,747,768x = 285,291,371,815,470.25
  5. Step 5: Solve for x
    x = 285,291,371,815,470.25/7,747,768
  6. Step 6: Final answer
    x = 36,822,394.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.