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Finding the Third Proportional to 712,836 and 942,240

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Solution

The third proportional to 712,836 and 942,240 is: 1,245,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,836 : 942,240 = 942,240 : x
  2. Step 2: Convert to fraction form
    712,836/942,240 = 942,240/x
  3. Step 3: Cross multiply
    712,836x = 942,240 × 942,240
  4. Step 4: Simplify right side
    712,836x = 887,816,217,600
  5. Step 5: Solve for x
    x = 887,816,217,600/712,836
  6. Step 6: Final answer
    x = 1,245,470.51

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.