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Finding the Third Proportional to 215,752 and 334,988

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Solution

The third proportional to 215,752 and 334,988 is: 520,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,752 : 334,988 = 334,988 : x
  2. Step 2: Convert to fraction form
    215,752/334,988 = 334,988/x
  3. Step 3: Cross multiply
    215,752x = 334,988 × 334,988
  4. Step 4: Simplify right side
    215,752x = 112,216,960,144
  5. Step 5: Solve for x
    x = 112,216,960,144/215,752
  6. Step 6: Final answer
    x = 520,120.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.