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Finding the Third Proportional to 145,252 and 314,630

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Solution

The third proportional to 145,252 and 314,630 is: 681,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,252 : 314,630 = 314,630 : x
  2. Step 2: Convert to fraction form
    145,252/314,630 = 314,630/x
  3. Step 3: Cross multiply
    145,252x = 314,630 × 314,630
  4. Step 4: Simplify right side
    145,252x = 98,992,036,900
  5. Step 5: Solve for x
    x = 98,992,036,900/145,252
  6. Step 6: Final answer
    x = 681,519.27

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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.