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Finding the Third Proportional to 19,436,176 and 30,172,920

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Solution

The third proportional to 19,436,176 and 30,172,920 is: 46,840,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436,176 : 30,172,920 = 30,172,920 : x
  2. Step 2: Convert to fraction form
    19,436,176/30,172,920 = 30,172,920/x
  3. Step 3: Cross multiply
    19,436,176x = 30,172,920 × 30,172,920
  4. Step 4: Simplify right side
    19,436,176x = 910,405,101,326,400
  5. Step 5: Solve for x
    x = 910,405,101,326,400/19,436,176
  6. Step 6: Final answer
    x = 46,840,752.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.