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Finding the Third Proportional to 349,824 and 540,240

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Solution

The third proportional to 349,824 and 540,240 is: 834,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,824 : 540,240 = 540,240 : x
  2. Step 2: Convert to fraction form
    349,824/540,240 = 540,240/x
  3. Step 3: Cross multiply
    349,824x = 540,240 × 540,240
  4. Step 4: Simplify right side
    349,824x = 291,859,257,600
  5. Step 5: Solve for x
    x = 291,859,257,600/349,824
  6. Step 6: Final answer
    x = 834,303.13

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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.