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Finding the Third Proportional to 718,683.75 and 1,078,043.63

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Solution

The third proportional to 718,683.75 and 1,078,043.63 is: 1,617,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,683.75 : 1,078,043.63 = 1,078,043.63 : x
  2. Step 2: Convert to fraction form
    718,683.75/1,078,043.63 = 1,078,043.63/x
  3. Step 3: Cross multiply
    718,683.75x = 1,078,043.63 × 1,078,043.63
  4. Step 4: Simplify right side
    718,683.75x = 1,162,178,057,403.14
  5. Step 5: Solve for x
    x = 1,162,178,057,403.14/718,683.75
  6. Step 6: Final answer
    x = 1,617,092.44

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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.