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Finding the Third Proportional to 572,553 and 886,987

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Solution

The third proportional to 572,553 and 886,987 is: 1,374,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,553 : 886,987 = 886,987 : x
  2. Step 2: Convert to fraction form
    572,553/886,987 = 886,987/x
  3. Step 3: Cross multiply
    572,553x = 886,987 × 886,987
  4. Step 4: Simplify right side
    572,553x = 786,745,938,169
  5. Step 5: Solve for x
    x = 786,745,938,169/572,553
  6. Step 6: Final answer
    x = 1,374,101.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.