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Finding the Third Proportional to 133,407 and 314,911.13

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Solution

The third proportional to 133,407 and 314,911.13 is: 743,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,407 : 314,911.13 = 314,911.13 : x
  2. Step 2: Convert to fraction form
    133,407/314,911.13 = 314,911.13/x
  3. Step 3: Cross multiply
    133,407x = 314,911.13 × 314,911.13
  4. Step 4: Simplify right side
    133,407x = 99,169,016,648.77
  5. Step 5: Solve for x
    x = 99,169,016,648.77/133,407
  6. Step 6: Final answer
    x = 743,356.92

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.