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Finding the Third Proportional to 72,175 and 157,466

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Solution

The third proportional to 72,175 and 157,466 is: 343,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,175 : 157,466 = 157,466 : x
  2. Step 2: Convert to fraction form
    72,175/157,466 = 157,466/x
  3. Step 3: Cross multiply
    72,175x = 157,466 × 157,466
  4. Step 4: Simplify right side
    72,175x = 24,795,541,156
  5. Step 5: Solve for x
    x = 24,795,541,156/72,175
  6. Step 6: Final answer
    x = 343,547.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.