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Finding the Third Proportional to 326,248 and 459,424

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Solution

The third proportional to 326,248 and 459,424 is: 646,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,248 : 459,424 = 459,424 : x
  2. Step 2: Convert to fraction form
    326,248/459,424 = 459,424/x
  3. Step 3: Cross multiply
    326,248x = 459,424 × 459,424
  4. Step 4: Simplify right side
    326,248x = 211,070,411,776
  5. Step 5: Solve for x
    x = 211,070,411,776/326,248
  6. Step 6: Final answer
    x = 646,963.08

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.