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Finding the Third Proportional to 148,382.50 and 314,421.50

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Solution

The third proportional to 148,382.50 and 314,421.50 is: 666,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,382.50 : 314,421.50 = 314,421.50 : x
  2. Step 2: Convert to fraction form
    148,382.50/314,421.50 = 314,421.50/x
  3. Step 3: Cross multiply
    148,382.50x = 314,421.50 × 314,421.50
  4. Step 4: Simplify right side
    148,382.50x = 98,860,879,662.25
  5. Step 5: Solve for x
    x = 98,860,879,662.25/148,382.50
  6. Step 6: Final answer
    x = 666,257.00

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.