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Finding the Third Proportional to 455,766 and 707,541

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Solution

The third proportional to 455,766 and 707,541 is: 1,098,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,766 : 707,541 = 707,541 : x
  2. Step 2: Convert to fraction form
    455,766/707,541 = 707,541/x
  3. Step 3: Cross multiply
    455,766x = 707,541 × 707,541
  4. Step 4: Simplify right side
    455,766x = 500,614,266,681
  5. Step 5: Solve for x
    x = 500,614,266,681/455,766
  6. Step 6: Final answer
    x = 1,098,401.96

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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.