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Finding the Third Proportional to 247,155 and 369,880.50

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Solution

The third proportional to 247,155 and 369,880.50 is: 553,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,155 : 369,880.50 = 369,880.50 : x
  2. Step 2: Convert to fraction form
    247,155/369,880.50 = 369,880.50/x
  3. Step 3: Cross multiply
    247,155x = 369,880.50 × 369,880.50
  4. Step 4: Simplify right side
    247,155x = 136,811,584,280.25
  5. Step 5: Solve for x
    x = 136,811,584,280.25/247,155
  6. Step 6: Final answer
    x = 553,545.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.