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Finding the Third Proportional to 245,384.44 and 359,986.78

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Solution

The third proportional to 245,384.44 and 359,986.78 is: 528,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,384.44 : 359,986.78 = 359,986.78 : x
  2. Step 2: Convert to fraction form
    245,384.44/359,986.78 = 359,986.78/x
  3. Step 3: Cross multiply
    245,384.44x = 359,986.78 × 359,986.78
  4. Step 4: Simplify right side
    245,384.44x = 129,590,482,674.74
  5. Step 5: Solve for x
    x = 129,590,482,674.74/245,384.44
  6. Step 6: Final answer
    x = 528,112.07

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.