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Finding the Third Proportional to 315,034 and 484,217

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Solution

The third proportional to 315,034 and 484,217 is: 744,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,034 : 484,217 = 484,217 : x
  2. Step 2: Convert to fraction form
    315,034/484,217 = 484,217/x
  3. Step 3: Cross multiply
    315,034x = 484,217 × 484,217
  4. Step 4: Simplify right side
    315,034x = 234,466,103,089
  5. Step 5: Solve for x
    x = 234,466,103,089/315,034
  6. Step 6: Final answer
    x = 744,256.50

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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.