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Finding the Third Proportional to 153,675 and 314,937

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Solution

The third proportional to 153,675 and 314,937 is: 645,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,675 : 314,937 = 314,937 : x
  2. Step 2: Convert to fraction form
    153,675/314,937 = 314,937/x
  3. Step 3: Cross multiply
    153,675x = 314,937 × 314,937
  4. Step 4: Simplify right side
    153,675x = 99,185,313,969
  5. Step 5: Solve for x
    x = 99,185,313,969/153,675
  6. Step 6: Final answer
    x = 645,422.57

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.