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Finding the Third Proportional to 98,442.75 and 145,588.50

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Solution

The third proportional to 98,442.75 and 145,588.50 is: 215,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,442.75 : 145,588.50 = 145,588.50 : x
  2. Step 2: Convert to fraction form
    98,442.75/145,588.50 = 145,588.50/x
  3. Step 3: Cross multiply
    98,442.75x = 145,588.50 × 145,588.50
  4. Step 4: Simplify right side
    98,442.75x = 21,196,011,332.25
  5. Step 5: Solve for x
    x = 21,196,011,332.25/98,442.75
  6. Step 6: Final answer
    x = 215,313.08

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.