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Finding the Third Proportional to 871,031.25 and 1,879,830

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Solution

The third proportional to 871,031.25 and 1,879,830 is: 4,056,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,031.25 : 1,879,830 = 1,879,830 : x
  2. Step 2: Convert to fraction form
    871,031.25/1,879,830 = 1,879,830/x
  3. Step 3: Cross multiply
    871,031.25x = 1,879,830 × 1,879,830
  4. Step 4: Simplify right side
    871,031.25x = 3,533,760,828,900
  5. Step 5: Solve for x
    x = 3,533,760,828,900/871,031.25
  6. Step 6: Final answer
    x = 4,056,985.13

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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.