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Finding the Third Proportional to 12,921,354,404 and 28,047,967,496

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Solution

The third proportional to 12,921,354,404 and 28,047,967,496 is: 60,882,818,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,921,354,404 : 28,047,967,496 = 28,047,967,496 : x
  2. Step 2: Convert to fraction form
    12,921,354,404/28,047,967,496 = 28,047,967,496/x
  3. Step 3: Cross multiply
    12,921,354,404x = 28,047,967,496 × 28,047,967,496
  4. Step 4: Simplify right side
    12,921,354,404x = 786,688,480,656,672,555,008
  5. Step 5: Solve for x
    x = 786,688,480,656,672,555,008/12,921,354,404
  6. Step 6: Final answer
    x = 60,882,818,941.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.