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Finding the Third Proportional to 257,521 and 346,536

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Solution

The third proportional to 257,521 and 346,536 is: 466,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,521 : 346,536 = 346,536 : x
  2. Step 2: Convert to fraction form
    257,521/346,536 = 346,536/x
  3. Step 3: Cross multiply
    257,521x = 346,536 × 346,536
  4. Step 4: Simplify right side
    257,521x = 120,087,199,296
  5. Step 5: Solve for x
    x = 120,087,199,296/257,521
  6. Step 6: Final answer
    x = 466,320.03

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.