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Finding the Third Proportional to 348,170 and 553,358

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Solution

The third proportional to 348,170 and 553,358 is: 879,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,170 : 553,358 = 553,358 : x
  2. Step 2: Convert to fraction form
    348,170/553,358 = 553,358/x
  3. Step 3: Cross multiply
    348,170x = 553,358 × 553,358
  4. Step 4: Simplify right side
    348,170x = 306,205,076,164
  5. Step 5: Solve for x
    x = 306,205,076,164/348,170
  6. Step 6: Final answer
    x = 879,470.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.