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Finding the Third Proportional to 70,155 and 148,713

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Solution

The third proportional to 70,155 and 148,713 is: 315,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155 : 148,713 = 148,713 : x
  2. Step 2: Convert to fraction form
    70,155/148,713 = 148,713/x
  3. Step 3: Cross multiply
    70,155x = 148,713 × 148,713
  4. Step 4: Simplify right side
    70,155x = 22,115,556,369
  5. Step 5: Solve for x
    x = 22,115,556,369/70,155
  6. Step 6: Final answer
    x = 315,238.49

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.