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Finding the Third Proportional to 559,426 and 860,377

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Solution

The third proportional to 559,426 and 860,377 is: 1,323,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,426 : 860,377 = 860,377 : x
  2. Step 2: Convert to fraction form
    559,426/860,377 = 860,377/x
  3. Step 3: Cross multiply
    559,426x = 860,377 × 860,377
  4. Step 4: Simplify right side
    559,426x = 740,248,582,129
  5. Step 5: Solve for x
    x = 740,248,582,129/559,426
  6. Step 6: Final answer
    x = 1,323,228.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.