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Finding the Third Proportional to 12,922,388 and 20,274,202

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Solution

The third proportional to 12,922,388 and 20,274,202 is: 31,808,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,388 : 20,274,202 = 20,274,202 : x
  2. Step 2: Convert to fraction form
    12,922,388/20,274,202 = 20,274,202/x
  3. Step 3: Cross multiply
    12,922,388x = 20,274,202 × 20,274,202
  4. Step 4: Simplify right side
    12,922,388x = 411,043,266,736,804
  5. Step 5: Solve for x
    x = 411,043,266,736,804/12,922,388
  6. Step 6: Final answer
    x = 31,808,615.15

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.