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Finding the Third Proportional to 130,044 and 279,487

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Solution

The third proportional to 130,044 and 279,487 is: 600,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,044 : 279,487 = 279,487 : x
  2. Step 2: Convert to fraction form
    130,044/279,487 = 279,487/x
  3. Step 3: Cross multiply
    130,044x = 279,487 × 279,487
  4. Step 4: Simplify right side
    130,044x = 78,112,983,169
  5. Step 5: Solve for x
    x = 78,112,983,169/130,044
  6. Step 6: Final answer
    x = 600,665.80

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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.