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Finding the Third Proportional to 292,875.75 and 628,671.38

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Solution

The third proportional to 292,875.75 and 628,671.38 is: 1,349,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,875.75 : 628,671.38 = 628,671.38 : x
  2. Step 2: Convert to fraction form
    292,875.75/628,671.38 = 628,671.38/x
  3. Step 3: Cross multiply
    292,875.75x = 628,671.38 × 628,671.38
  4. Step 4: Simplify right side
    292,875.75x = 395,227,697,744.39
  5. Step 5: Solve for x
    x = 395,227,697,744.39/292,875.75
  6. Step 6: Final answer
    x = 1,349,472.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.