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Finding the Third Proportional to 371,438 and 801,988

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Solution

The third proportional to 371,438 and 801,988 is: 1,731,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,438 : 801,988 = 801,988 : x
  2. Step 2: Convert to fraction form
    371,438/801,988 = 801,988/x
  3. Step 3: Cross multiply
    371,438x = 801,988 × 801,988
  4. Step 4: Simplify right side
    371,438x = 643,184,752,144
  5. Step 5: Solve for x
    x = 643,184,752,144/371,438
  6. Step 6: Final answer
    x = 1,731,607.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.