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Finding the Third Proportional to 286,708.50 and 669,612.38

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Solution

The third proportional to 286,708.50 and 669,612.38 is: 1,563,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,708.50 : 669,612.38 = 669,612.38 : x
  2. Step 2: Convert to fraction form
    286,708.50/669,612.38 = 669,612.38/x
  3. Step 3: Cross multiply
    286,708.50x = 669,612.38 × 669,612.38
  4. Step 4: Simplify right side
    286,708.50x = 448,380,732,753.14
  5. Step 5: Solve for x
    x = 448,380,732,753.14/286,708.50
  6. Step 6: Final answer
    x = 1,563,890.62

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.