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Finding the Third Proportional to 463,128 and 692,964

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Solution

The third proportional to 463,128 and 692,964 is: 1,036,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,128 : 692,964 = 692,964 : x
  2. Step 2: Convert to fraction form
    463,128/692,964 = 692,964/x
  3. Step 3: Cross multiply
    463,128x = 692,964 × 692,964
  4. Step 4: Simplify right side
    463,128x = 480,199,105,296
  5. Step 5: Solve for x
    x = 480,199,105,296/463,128
  6. Step 6: Final answer
    x = 1,036,860.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.