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Finding the Third Proportional to 287,301.94 and 625,239

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Solution

The third proportional to 287,301.94 and 625,239 is: 1,360,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301.94 : 625,239 = 625,239 : x
  2. Step 2: Convert to fraction form
    287,301.94/625,239 = 625,239/x
  3. Step 3: Cross multiply
    287,301.94x = 625,239 × 625,239
  4. Step 4: Simplify right side
    287,301.94x = 390,923,807,121
  5. Step 5: Solve for x
    x = 390,923,807,121/287,301.94
  6. Step 6: Final answer
    x = 1,360,672.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.