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Finding the Third Proportional to 64,552.63 and 139,825.13

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Solution

The third proportional to 64,552.63 and 139,825.13 is: 302,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,552.63 : 139,825.13 = 139,825.13 : x
  2. Step 2: Convert to fraction form
    64,552.63/139,825.13 = 139,825.13/x
  3. Step 3: Cross multiply
    64,552.63x = 139,825.13 × 139,825.13
  4. Step 4: Simplify right side
    64,552.63x = 19,551,065,581.27
  5. Step 5: Solve for x
    x = 19,551,065,581.27/64,552.63
  6. Step 6: Final answer
    x = 302,870.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.