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Finding the Third Proportional to 13,134,357,508 and 20,354,637,912

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Solution

The third proportional to 13,134,357,508 and 20,354,637,912 is: 31,544,084,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,357,508 : 20,354,637,912 = 20,354,637,912 : x
  2. Step 2: Convert to fraction form
    13,134,357,508/20,354,637,912 = 20,354,637,912/x
  3. Step 3: Cross multiply
    13,134,357,508x = 20,354,637,912 × 20,354,637,912
  4. Step 4: Simplify right side
    13,134,357,508x = 414,311,284,528,627,712,000
  5. Step 5: Solve for x
    x = 414,311,284,528,627,712,000/13,134,357,508
  6. Step 6: Final answer
    x = 31,544,084,609.87

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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.