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Finding the Third Proportional to 708,783 and 1,515,918

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Solution

The third proportional to 708,783 and 1,515,918 is: 3,242,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,783 : 1,515,918 = 1,515,918 : x
  2. Step 2: Convert to fraction form
    708,783/1,515,918 = 1,515,918/x
  3. Step 3: Cross multiply
    708,783x = 1,515,918 × 1,515,918
  4. Step 4: Simplify right side
    708,783x = 2,298,007,382,724
  5. Step 5: Solve for x
    x = 2,298,007,382,724/708,783
  6. Step 6: Final answer
    x = 3,242,187.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.