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Finding the Third Proportional to 349,767 and 540,148

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Solution

The third proportional to 349,767 and 540,148 is: 834,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,767 : 540,148 = 540,148 : x
  2. Step 2: Convert to fraction form
    349,767/540,148 = 540,148/x
  3. Step 3: Cross multiply
    349,767x = 540,148 × 540,148
  4. Step 4: Simplify right side
    349,767x = 291,759,861,904
  5. Step 5: Solve for x
    x = 291,759,861,904/349,767
  6. Step 6: Final answer
    x = 834,154.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.