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Finding the Third Proportional to 249,935 and 387,114

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Solution

The third proportional to 249,935 and 387,114 is: 599,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,935 : 387,114 = 387,114 : x
  2. Step 2: Convert to fraction form
    249,935/387,114 = 387,114/x
  3. Step 3: Cross multiply
    249,935x = 387,114 × 387,114
  4. Step 4: Simplify right side
    249,935x = 149,857,248,996
  5. Step 5: Solve for x
    x = 149,857,248,996/249,935
  6. Step 6: Final answer
    x = 599,584.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.