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Finding the Third Proportional to 162,348 and 348,840

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Solution

The third proportional to 162,348 and 348,840 is: 749,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,348 : 348,840 = 348,840 : x
  2. Step 2: Convert to fraction form
    162,348/348,840 = 348,840/x
  3. Step 3: Cross multiply
    162,348x = 348,840 × 348,840
  4. Step 4: Simplify right side
    162,348x = 121,689,345,600
  5. Step 5: Solve for x
    x = 121,689,345,600/162,348
  6. Step 6: Final answer
    x = 749,558.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.