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Finding the Third Proportional to 227,830 and 353,681

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Solution

The third proportional to 227,830 and 353,681 is: 549,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,830 : 353,681 = 353,681 : x
  2. Step 2: Convert to fraction form
    227,830/353,681 = 353,681/x
  3. Step 3: Cross multiply
    227,830x = 353,681 × 353,681
  4. Step 4: Simplify right side
    227,830x = 125,090,249,761
  5. Step 5: Solve for x
    x = 125,090,249,761/227,830
  6. Step 6: Final answer
    x = 549,050.83

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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.