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Finding the Third Proportional to 340,242 and 732,480

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Solution

The third proportional to 340,242 and 732,480 is: 1,576,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,242 : 732,480 = 732,480 : x
  2. Step 2: Convert to fraction form
    340,242/732,480 = 732,480/x
  3. Step 3: Cross multiply
    340,242x = 732,480 × 732,480
  4. Step 4: Simplify right side
    340,242x = 536,526,950,400
  5. Step 5: Solve for x
    x = 536,526,950,400/340,242
  6. Step 6: Final answer
    x = 1,576,898.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.