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Finding the Third Proportional to 508,146 and 743,130

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Solution

The third proportional to 508,146 and 743,130 is: 1,086,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,146 : 743,130 = 743,130 : x
  2. Step 2: Convert to fraction form
    508,146/743,130 = 743,130/x
  3. Step 3: Cross multiply
    508,146x = 743,130 × 743,130
  4. Step 4: Simplify right side
    508,146x = 552,242,196,900
  5. Step 5: Solve for x
    x = 552,242,196,900/508,146
  6. Step 6: Final answer
    x = 1,086,778.60

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.