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Finding the Third Proportional to 35,920.13 and 78,058.13

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Solution

The third proportional to 35,920.13 and 78,058.13 is: 169,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.13 : 78,058.13 = 78,058.13 : x
  2. Step 2: Convert to fraction form
    35,920.13/78,058.13 = 78,058.13/x
  3. Step 3: Cross multiply
    35,920.13x = 78,058.13 × 78,058.13
  4. Step 4: Simplify right side
    35,920.13x = 6,093,070,878.52
  5. Step 5: Solve for x
    x = 6,093,070,878.52/35,920.13
  6. Step 6: Final answer
    x = 169,628.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.