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Finding the Third Proportional to 163,003 and 249,348

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Solution

The third proportional to 163,003 and 249,348 is: 381,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,003 : 249,348 = 249,348 : x
  2. Step 2: Convert to fraction form
    163,003/249,348 = 249,348/x
  3. Step 3: Cross multiply
    163,003x = 249,348 × 249,348
  4. Step 4: Simplify right side
    163,003x = 62,174,425,104
  5. Step 5: Solve for x
    x = 62,174,425,104/163,003
  6. Step 6: Final answer
    x = 381,431.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.