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Finding the Third Proportional to 313,065 and 472,502

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Solution

The third proportional to 313,065 and 472,502 is: 713,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,065 : 472,502 = 472,502 : x
  2. Step 2: Convert to fraction form
    313,065/472,502 = 472,502/x
  3. Step 3: Cross multiply
    313,065x = 472,502 × 472,502
  4. Step 4: Simplify right side
    313,065x = 223,258,140,004
  5. Step 5: Solve for x
    x = 223,258,140,004/313,065
  6. Step 6: Final answer
    x = 713,136.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.