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Finding the Third Proportional to 315,904 and 745,740

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Solution

The third proportional to 315,904 and 745,740 is: 1,760,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,904 : 745,740 = 745,740 : x
  2. Step 2: Convert to fraction form
    315,904/745,740 = 745,740/x
  3. Step 3: Cross multiply
    315,904x = 745,740 × 745,740
  4. Step 4: Simplify right side
    315,904x = 556,128,147,600
  5. Step 5: Solve for x
    x = 556,128,147,600/315,904
  6. Step 6: Final answer
    x = 1,760,434.02

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.