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Finding the Third Proportional to 401,550 and 535,329

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Solution

The third proportional to 401,550 and 535,329 is: 713,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,550 : 535,329 = 535,329 : x
  2. Step 2: Convert to fraction form
    401,550/535,329 = 535,329/x
  3. Step 3: Cross multiply
    401,550x = 535,329 × 535,329
  4. Step 4: Simplify right side
    401,550x = 286,577,138,241
  5. Step 5: Solve for x
    x = 286,577,138,241/401,550
  6. Step 6: Final answer
    x = 713,677.35

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.