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Finding the Third Proportional to 480,128 and 1,034,688

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Solution

The third proportional to 480,128 and 1,034,688 is: 2,229,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,128 : 1,034,688 = 1,034,688 : x
  2. Step 2: Convert to fraction form
    480,128/1,034,688 = 1,034,688/x
  3. Step 3: Cross multiply
    480,128x = 1,034,688 × 1,034,688
  4. Step 4: Simplify right side
    480,128x = 1,070,579,257,344
  5. Step 5: Solve for x
    x = 1,070,579,257,344/480,128
  6. Step 6: Final answer
    x = 2,229,778.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.