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Finding the Third Proportional to 587,726 and 872,948

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Solution

The third proportional to 587,726 and 872,948 is: 1,296,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,726 : 872,948 = 872,948 : x
  2. Step 2: Convert to fraction form
    587,726/872,948 = 872,948/x
  3. Step 3: Cross multiply
    587,726x = 872,948 × 872,948
  4. Step 4: Simplify right side
    587,726x = 762,038,210,704
  5. Step 5: Solve for x
    x = 762,038,210,704/587,726
  6. Step 6: Final answer
    x = 1,296,587.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.