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Finding the Third Proportional to 257,484 and 377,008

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Solution

The third proportional to 257,484 and 377,008 is: 552,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,484 : 377,008 = 377,008 : x
  2. Step 2: Convert to fraction form
    257,484/377,008 = 377,008/x
  3. Step 3: Cross multiply
    257,484x = 377,008 × 377,008
  4. Step 4: Simplify right side
    257,484x = 142,135,032,064
  5. Step 5: Solve for x
    x = 142,135,032,064/257,484
  6. Step 6: Final answer
    x = 552,015.01

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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.