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Finding the Third Proportional to 35,478.38 and 77,760.75

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Solution

The third proportional to 35,478.38 and 77,760.75 is: 170,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.38 : 77,760.75 = 77,760.75 : x
  2. Step 2: Convert to fraction form
    35,478.38/77,760.75 = 77,760.75/x
  3. Step 3: Cross multiply
    35,478.38x = 77,760.75 × 77,760.75
  4. Step 4: Simplify right side
    35,478.38x = 6,046,734,240.56
  5. Step 5: Solve for x
    x = 6,046,734,240.56/35,478.38
  6. Step 6: Final answer
    x = 170,434.36

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.