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Finding the Third Proportional to 247,509 and 371,810.25

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Solution

The third proportional to 247,509 and 371,810.25 is: 558,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,509 : 371,810.25 = 371,810.25 : x
  2. Step 2: Convert to fraction form
    247,509/371,810.25 = 371,810.25/x
  3. Step 3: Cross multiply
    247,509x = 371,810.25 × 371,810.25
  4. Step 4: Simplify right side
    247,509x = 138,242,862,005.06
  5. Step 5: Solve for x
    x = 138,242,862,005.06/247,509
  6. Step 6: Final answer
    x = 558,536.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.