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Finding the Third Proportional to 401,466 and 587,122.50

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Solution

The third proportional to 401,466 and 587,122.50 is: 858,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,466 : 587,122.50 = 587,122.50 : x
  2. Step 2: Convert to fraction form
    401,466/587,122.50 = 587,122.50/x
  3. Step 3: Cross multiply
    401,466x = 587,122.50 × 587,122.50
  4. Step 4: Simplify right side
    401,466x = 344,712,830,006.25
  5. Step 5: Solve for x
    x = 344,712,830,006.25/401,466
  6. Step 6: Final answer
    x = 858,635.18

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.