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Finding the Third Proportional to 455,681 and 732,122

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Solution

The third proportional to 455,681 and 732,122 is: 1,176,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,681 : 732,122 = 732,122 : x
  2. Step 2: Convert to fraction form
    455,681/732,122 = 732,122/x
  3. Step 3: Cross multiply
    455,681x = 732,122 × 732,122
  4. Step 4: Simplify right side
    455,681x = 536,002,622,884
  5. Step 5: Solve for x
    x = 536,002,622,884/455,681
  6. Step 6: Final answer
    x = 1,176,267.22

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.