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Finding the Third Proportional to 331,510.50 and 509,851.13

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Solution

The third proportional to 331,510.50 and 509,851.13 is: 784,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,510.50 : 509,851.13 = 509,851.13 : x
  2. Step 2: Convert to fraction form
    331,510.50/509,851.13 = 509,851.13/x
  3. Step 3: Cross multiply
    331,510.50x = 509,851.13 × 509,851.13
  4. Step 4: Simplify right side
    331,510.50x = 259,948,169,663.77
  5. Step 5: Solve for x
    x = 259,948,169,663.77/331,510.50
  6. Step 6: Final answer
    x = 784,132.54

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.