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Finding the Third Proportional to 378,799.50 and 841,681.50

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Solution

The third proportional to 378,799.50 and 841,681.50 is: 1,870,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,799.50 : 841,681.50 = 841,681.50 : x
  2. Step 2: Convert to fraction form
    378,799.50/841,681.50 = 841,681.50/x
  3. Step 3: Cross multiply
    378,799.50x = 841,681.50 × 841,681.50
  4. Step 4: Simplify right side
    378,799.50x = 708,427,747,442.25
  5. Step 5: Solve for x
    x = 708,427,747,442.25/378,799.50
  6. Step 6: Final answer
    x = 1,870,191.88

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.