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Finding the Third Proportional to 20,154,813,842 and 28,370,051,355

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Solution

The third proportional to 20,154,813,842 and 28,370,051,355 is: 39,933,874,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,813,842 : 28,370,051,355 = 28,370,051,355 : x
  2. Step 2: Convert to fraction form
    20,154,813,842/28,370,051,355 = 28,370,051,355/x
  3. Step 3: Cross multiply
    20,154,813,842x = 28,370,051,355 × 28,370,051,355
  4. Step 4: Simplify right side
    20,154,813,842x = 804,859,813,885,337,272,320
  5. Step 5: Solve for x
    x = 804,859,813,885,337,272,320/20,154,813,842
  6. Step 6: Final answer
    x = 39,933,874,864.58

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.