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Finding the Third Proportional to 847,747 and 1,280,260.50

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Solution

The third proportional to 847,747 and 1,280,260.50 is: 1,933,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,747 : 1,280,260.50 = 1,280,260.50 : x
  2. Step 2: Convert to fraction form
    847,747/1,280,260.50 = 1,280,260.50/x
  3. Step 3: Cross multiply
    847,747x = 1,280,260.50 × 1,280,260.50
  4. Step 4: Simplify right side
    847,747x = 1,639,066,947,860.25
  5. Step 5: Solve for x
    x = 1,639,066,947,860.25/847,747
  6. Step 6: Final answer
    x = 1,933,438.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.