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Finding the Third Proportional to 403,392 and 859,776

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Solution

The third proportional to 403,392 and 859,776 is: 1,832,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,392 : 859,776 = 859,776 : x
  2. Step 2: Convert to fraction form
    403,392/859,776 = 859,776/x
  3. Step 3: Cross multiply
    403,392x = 859,776 × 859,776
  4. Step 4: Simplify right side
    403,392x = 739,214,770,176
  5. Step 5: Solve for x
    x = 739,214,770,176/403,392
  6. Step 6: Final answer
    x = 1,832,497.35

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.