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Finding the Third Proportional to 744,327 and 907,623

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Solution

The third proportional to 744,327 and 907,623 is: 1,106,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,327 : 907,623 = 907,623 : x
  2. Step 2: Convert to fraction form
    744,327/907,623 = 907,623/x
  3. Step 3: Cross multiply
    744,327x = 907,623 × 907,623
  4. Step 4: Simplify right side
    744,327x = 823,779,510,129
  5. Step 5: Solve for x
    x = 823,779,510,129/744,327
  6. Step 6: Final answer
    x = 1,106,744.09

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.