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Finding the Third Proportional to 287,692 and 586,808

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Solution

The third proportional to 287,692 and 586,808 is: 1,196,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,692 : 586,808 = 586,808 : x
  2. Step 2: Convert to fraction form
    287,692/586,808 = 586,808/x
  3. Step 3: Cross multiply
    287,692x = 586,808 × 586,808
  4. Step 4: Simplify right side
    287,692x = 344,343,628,864
  5. Step 5: Solve for x
    x = 344,343,628,864/287,692
  6. Step 6: Final answer
    x = 1,196,917.64

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.