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Finding the Third Proportional to 245,354.25 and 369,261

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Solution

The third proportional to 245,354.25 and 369,261 is: 555,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,354.25 : 369,261 = 369,261 : x
  2. Step 2: Convert to fraction form
    245,354.25/369,261 = 369,261/x
  3. Step 3: Cross multiply
    245,354.25x = 369,261 × 369,261
  4. Step 4: Simplify right side
    245,354.25x = 136,353,686,121
  5. Step 5: Solve for x
    x = 136,353,686,121/245,354.25
  6. Step 6: Final answer
    x = 555,742.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.