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Finding the Third Proportional to 56,437 and 120,217

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Solution

The third proportional to 56,437 and 120,217 is: 256,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,437 : 120,217 = 120,217 : x
  2. Step 2: Convert to fraction form
    56,437/120,217 = 120,217/x
  3. Step 3: Cross multiply
    56,437x = 120,217 × 120,217
  4. Step 4: Simplify right side
    56,437x = 14,452,127,089
  5. Step 5: Solve for x
    x = 14,452,127,089/56,437
  6. Step 6: Final answer
    x = 256,075.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.