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Finding the Third Proportional to 625,128 and 968,580

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Solution

The third proportional to 625,128 and 968,580 is: 1,500,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,128 : 968,580 = 968,580 : x
  2. Step 2: Convert to fraction form
    625,128/968,580 = 968,580/x
  3. Step 3: Cross multiply
    625,128x = 968,580 × 968,580
  4. Step 4: Simplify right side
    625,128x = 938,147,216,400
  5. Step 5: Solve for x
    x = 938,147,216,400/625,128
  6. Step 6: Final answer
    x = 1,500,728.20

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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.