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Finding the Third Proportional to 246,429 and 529,663.50

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Solution

The third proportional to 246,429 and 529,663.50 is: 1,138,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,429 : 529,663.50 = 529,663.50 : x
  2. Step 2: Convert to fraction form
    246,429/529,663.50 = 529,663.50/x
  3. Step 3: Cross multiply
    246,429x = 529,663.50 × 529,663.50
  4. Step 4: Simplify right side
    246,429x = 280,543,423,232.25
  5. Step 5: Solve for x
    x = 280,543,423,232.25/246,429
  6. Step 6: Final answer
    x = 1,138,435.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.