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Finding the Third Proportional to 20,283,982,060 and 28,028,629,500

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Solution

The third proportional to 20,283,982,060 and 28,028,629,500 is: 38,730,268,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283,982,060 : 28,028,629,500 = 28,028,629,500 : x
  2. Step 2: Convert to fraction form
    20,283,982,060/28,028,629,500 = 28,028,629,500/x
  3. Step 3: Cross multiply
    20,283,982,060x = 28,028,629,500 × 28,028,629,500
  4. Step 4: Simplify right side
    20,283,982,060x = 785,604,071,648,270,221,312
  5. Step 5: Solve for x
    x = 785,604,071,648,270,221,312/20,283,982,060
  6. Step 6: Final answer
    x = 38,730,268,510.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.