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Finding the Third Proportional to 707,890 and 1,528,478

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Solution

The third proportional to 707,890 and 1,528,478 is: 3,300,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,890 : 1,528,478 = 1,528,478 : x
  2. Step 2: Convert to fraction form
    707,890/1,528,478 = 1,528,478/x
  3. Step 3: Cross multiply
    707,890x = 1,528,478 × 1,528,478
  4. Step 4: Simplify right side
    707,890x = 2,336,244,996,484
  5. Step 5: Solve for x
    x = 2,336,244,996,484/707,890
  6. Step 6: Final answer
    x = 3,300,293.83

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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.