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Finding the Third Proportional to 5,280,387 and 8,393,013

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Solution

The third proportional to 5,280,387 and 8,393,013 is: 13,340,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,387 : 8,393,013 = 8,393,013 : x
  2. Step 2: Convert to fraction form
    5,280,387/8,393,013 = 8,393,013/x
  3. Step 3: Cross multiply
    5,280,387x = 8,393,013 × 8,393,013
  4. Step 4: Simplify right side
    5,280,387x = 70,442,667,218,169
  5. Step 5: Solve for x
    x = 70,442,667,218,169/5,280,387
  6. Step 6: Final answer
    x = 13,340,436.45

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.