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Finding the Third Proportional to 5,135,372 and 7,947,372

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Solution

The third proportional to 5,135,372 and 7,947,372 is: 12,299,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,372 : 7,947,372 = 7,947,372 : x
  2. Step 2: Convert to fraction form
    5,135,372/7,947,372 = 7,947,372/x
  3. Step 3: Cross multiply
    5,135,372x = 7,947,372 × 7,947,372
  4. Step 4: Simplify right side
    5,135,372x = 63,160,721,706,384
  5. Step 5: Solve for x
    x = 63,160,721,706,384/5,135,372
  6. Step 6: Final answer
    x = 12,299,152.18

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.