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Finding the Third Proportional to 249,068 and 389,156

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Solution

The third proportional to 249,068 and 389,156 is: 608,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,068 : 389,156 = 389,156 : x
  2. Step 2: Convert to fraction form
    249,068/389,156 = 389,156/x
  3. Step 3: Cross multiply
    249,068x = 389,156 × 389,156
  4. Step 4: Simplify right side
    249,068x = 151,442,392,336
  5. Step 5: Solve for x
    x = 151,442,392,336/249,068
  6. Step 6: Final answer
    x = 608,036.33

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.