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Finding the Third Proportional to 13,370,648 and 20,669,316

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Solution

The third proportional to 13,370,648 and 20,669,316 is: 31,952,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370,648 : 20,669,316 = 20,669,316 : x
  2. Step 2: Convert to fraction form
    13,370,648/20,669,316 = 20,669,316/x
  3. Step 3: Cross multiply
    13,370,648x = 20,669,316 × 20,669,316
  4. Step 4: Simplify right side
    13,370,648x = 427,220,623,907,856
  5. Step 5: Solve for x
    x = 427,220,623,907,856/13,370,648
  6. Step 6: Final answer
    x = 31,952,125.57

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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.