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Finding the Third Proportional to 138,180 and 286,746

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Solution

The third proportional to 138,180 and 286,746 is: 595,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,180 : 286,746 = 286,746 : x
  2. Step 2: Convert to fraction form
    138,180/286,746 = 286,746/x
  3. Step 3: Cross multiply
    138,180x = 286,746 × 286,746
  4. Step 4: Simplify right side
    138,180x = 82,223,268,516
  5. Step 5: Solve for x
    x = 82,223,268,516/138,180
  6. Step 6: Final answer
    x = 595,044.64

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.