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Finding the Third Proportional to 355,537.69 and 660,637.69

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Solution

The third proportional to 355,537.69 and 660,637.69 is: 1,227,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,537.69 : 660,637.69 = 660,637.69 : x
  2. Step 2: Convert to fraction form
    355,537.69/660,637.69 = 660,637.69/x
  3. Step 3: Cross multiply
    355,537.69x = 660,637.69 × 660,637.69
  4. Step 4: Simplify right side
    355,537.69x = 436,442,154,145.35
  5. Step 5: Solve for x
    x = 436,442,154,145.35/355,537.69
  6. Step 6: Final answer
    x = 1,227,555.25

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.