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Finding the Third Proportional to 738,628 and 1,579,640

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Solution

The third proportional to 738,628 and 1,579,640 is: 3,378,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,628 : 1,579,640 = 1,579,640 : x
  2. Step 2: Convert to fraction form
    738,628/1,579,640 = 1,579,640/x
  3. Step 3: Cross multiply
    738,628x = 1,579,640 × 1,579,640
  4. Step 4: Simplify right side
    738,628x = 2,495,262,529,600
  5. Step 5: Solve for x
    x = 2,495,262,529,600/738,628
  6. Step 6: Final answer
    x = 3,378,239.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.