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Finding the Third Proportional to 722,311.50 and 1,119,987

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Solution

The third proportional to 722,311.50 and 1,119,987 is: 1,736,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,311.50 : 1,119,987 = 1,119,987 : x
  2. Step 2: Convert to fraction form
    722,311.50/1,119,987 = 1,119,987/x
  3. Step 3: Cross multiply
    722,311.50x = 1,119,987 × 1,119,987
  4. Step 4: Simplify right side
    722,311.50x = 1,254,370,880,169
  5. Step 5: Solve for x
    x = 1,254,370,880,169/722,311.50
  6. Step 6: Final answer
    x = 1,736,606.55

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Why These Related Problems?

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