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Finding the Third Proportional to 13,326,171 and 20,153,281

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Solution

The third proportional to 13,326,171 and 20,153,281 is: 30,477,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,171 : 20,153,281 = 20,153,281 : x
  2. Step 2: Convert to fraction form
    13,326,171/20,153,281 = 20,153,281/x
  3. Step 3: Cross multiply
    13,326,171x = 20,153,281 × 20,153,281
  4. Step 4: Simplify right side
    13,326,171x = 406,154,735,064,961
  5. Step 5: Solve for x
    x = 406,154,735,064,961/13,326,171
  6. Step 6: Final answer
    x = 30,477,977.14

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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.