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Finding the Third Proportional to 13,534,602,970 and 20,690,920,887

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Solution

The third proportional to 13,534,602,970 and 20,690,920,887 is: 31,631,087,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534,602,970 : 20,690,920,887 = 20,690,920,887 : x
  2. Step 2: Convert to fraction form
    13,534,602,970/20,690,920,887 = 20,690,920,887/x
  3. Step 3: Cross multiply
    13,534,602,970x = 20,690,920,887 × 20,690,920,887
  4. Step 4: Simplify right side
    13,534,602,970x = 428,114,207,152,092,872,704
  5. Step 5: Solve for x
    x = 428,114,207,152,092,872,704/13,534,602,970
  6. Step 6: Final answer
    x = 31,631,087,228.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.