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Finding the Third Proportional to 145,604.25 and 314,624.25

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Solution

The third proportional to 145,604.25 and 314,624.25 is: 679,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,604.25 : 314,624.25 = 314,624.25 : x
  2. Step 2: Convert to fraction form
    145,604.25/314,624.25 = 314,624.25/x
  3. Step 3: Cross multiply
    145,604.25x = 314,624.25 × 314,624.25
  4. Step 4: Simplify right side
    145,604.25x = 98,988,418,688.06
  5. Step 5: Solve for x
    x = 98,988,418,688.06/145,604.25
  6. Step 6: Final answer
    x = 679,845.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.