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Finding the Third Proportional to 334,687.50 and 509,881.50

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Solution

The third proportional to 334,687.50 and 509,881.50 is: 776,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,687.50 : 509,881.50 = 509,881.50 : x
  2. Step 2: Convert to fraction form
    334,687.50/509,881.50 = 509,881.50/x
  3. Step 3: Cross multiply
    334,687.50x = 509,881.50 × 509,881.50
  4. Step 4: Simplify right side
    334,687.50x = 259,979,144,042.25
  5. Step 5: Solve for x
    x = 259,979,144,042.25/334,687.50
  6. Step 6: Final answer
    x = 776,781.76

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.