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Finding the Third Proportional to 147,113.50 and 314,963

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Solution

The third proportional to 147,113.50 and 314,963 is: 674,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,113.50 : 314,963 = 314,963 : x
  2. Step 2: Convert to fraction form
    147,113.50/314,963 = 314,963/x
  3. Step 3: Cross multiply
    147,113.50x = 314,963 × 314,963
  4. Step 4: Simplify right side
    147,113.50x = 99,201,691,369
  5. Step 5: Solve for x
    x = 99,201,691,369/147,113.50
  6. Step 6: Final answer
    x = 674,320.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.