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Finding the Third Proportional to 20,856,155 and 30,537,612

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Solution

The third proportional to 20,856,155 and 30,537,612 is: 44,713,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,155 : 30,537,612 = 30,537,612 : x
  2. Step 2: Convert to fraction form
    20,856,155/30,537,612 = 30,537,612/x
  3. Step 3: Cross multiply
    20,856,155x = 30,537,612 × 30,537,612
  4. Step 4: Simplify right side
    20,856,155x = 932,545,746,662,544
  5. Step 5: Solve for x
    x = 932,545,746,662,544/20,856,155
  6. Step 6: Final answer
    x = 44,713,215.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.