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Finding the Third Proportional to 20,716,366 and 31,362,337

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Solution

The third proportional to 20,716,366 and 31,362,337 is: 47,479,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,366 : 31,362,337 = 31,362,337 : x
  2. Step 2: Convert to fraction form
    20,716,366/31,362,337 = 31,362,337/x
  3. Step 3: Cross multiply
    20,716,366x = 31,362,337 × 31,362,337
  4. Step 4: Simplify right side
    20,716,366x = 983,596,182,101,569
  5. Step 5: Solve for x
    x = 983,596,182,101,569/20,716,366
  6. Step 6: Final answer
    x = 47,479,185.40

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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.