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Finding the Third Proportional to 287,456.63 and 604,703.25

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Solution

The third proportional to 287,456.63 and 604,703.25 is: 1,272,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,456.63 : 604,703.25 = 604,703.25 : x
  2. Step 2: Convert to fraction form
    287,456.63/604,703.25 = 604,703.25/x
  3. Step 3: Cross multiply
    287,456.63x = 604,703.25 × 604,703.25
  4. Step 4: Simplify right side
    287,456.63x = 365,666,020,560.56
  5. Step 5: Solve for x
    x = 365,666,020,560.56/287,456.63
  6. Step 6: Final answer
    x = 1,272,073.73

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.