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Finding the Third Proportional to 444,321 and 634,938

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Solution

The third proportional to 444,321 and 634,938 is: 907,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,321 : 634,938 = 634,938 : x
  2. Step 2: Convert to fraction form
    444,321/634,938 = 634,938/x
  3. Step 3: Cross multiply
    444,321x = 634,938 × 634,938
  4. Step 4: Simplify right side
    444,321x = 403,146,263,844
  5. Step 5: Solve for x
    x = 403,146,263,844/444,321
  6. Step 6: Final answer
    x = 907,331.10

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.