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Finding the Third Proportional to 98,539.50 and 216,154.50

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Solution

The third proportional to 98,539.50 and 216,154.50 is: 474,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,539.50 : 216,154.50 = 216,154.50 : x
  2. Step 2: Convert to fraction form
    98,539.50/216,154.50 = 216,154.50/x
  3. Step 3: Cross multiply
    98,539.50x = 216,154.50 × 216,154.50
  4. Step 4: Simplify right side
    98,539.50x = 46,722,767,870.25
  5. Step 5: Solve for x
    x = 46,722,767,870.25/98,539.50
  6. Step 6: Final answer
    x = 474,152.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.