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Finding the Third Proportional to 245,377 and 529,417

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Solution

The third proportional to 245,377 and 529,417 is: 1,142,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,377 : 529,417 = 529,417 : x
  2. Step 2: Convert to fraction form
    245,377/529,417 = 529,417/x
  3. Step 3: Cross multiply
    245,377x = 529,417 × 529,417
  4. Step 4: Simplify right side
    245,377x = 280,282,359,889
  5. Step 5: Solve for x
    x = 280,282,359,889/245,377
  6. Step 6: Final answer
    x = 1,142,251.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.