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Finding the Third Proportional to 287,292 and 610,896

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Solution

The third proportional to 287,292 and 610,896 is: 1,299,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,292 : 610,896 = 610,896 : x
  2. Step 2: Convert to fraction form
    287,292/610,896 = 610,896/x
  3. Step 3: Cross multiply
    287,292x = 610,896 × 610,896
  4. Step 4: Simplify right side
    287,292x = 373,193,922,816
  5. Step 5: Solve for x
    x = 373,193,922,816/287,292
  6. Step 6: Final answer
    x = 1,299,005.62

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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.