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Finding the Third Proportional to 296,953.50 and 647,506.50

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Solution

The third proportional to 296,953.50 and 647,506.50 is: 1,411,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,953.50 : 647,506.50 = 647,506.50 : x
  2. Step 2: Convert to fraction form
    296,953.50/647,506.50 = 647,506.50/x
  3. Step 3: Cross multiply
    296,953.50x = 647,506.50 × 647,506.50
  4. Step 4: Simplify right side
    296,953.50x = 419,264,667,542.25
  5. Step 5: Solve for x
    x = 419,264,667,542.25/296,953.50
  6. Step 6: Final answer
    x = 1,411,886.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.