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Finding the Third Proportional to 230,136 and 310,928

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Solution

The third proportional to 230,136 and 310,928 is: 420,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,136 : 310,928 = 310,928 : x
  2. Step 2: Convert to fraction form
    230,136/310,928 = 310,928/x
  3. Step 3: Cross multiply
    230,136x = 310,928 × 310,928
  4. Step 4: Simplify right side
    230,136x = 96,676,221,184
  5. Step 5: Solve for x
    x = 96,676,221,184/230,136
  6. Step 6: Final answer
    x = 420,083.00

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.