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Finding the Third Proportional to 98,607.38 and 215,973

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Solution

The third proportional to 98,607.38 and 215,973 is: 473,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,607.38 : 215,973 = 215,973 : x
  2. Step 2: Convert to fraction form
    98,607.38/215,973 = 215,973/x
  3. Step 3: Cross multiply
    98,607.38x = 215,973 × 215,973
  4. Step 4: Simplify right side
    98,607.38x = 46,644,336,729
  5. Step 5: Solve for x
    x = 46,644,336,729/98,607.38
  6. Step 6: Final answer
    x = 473,030.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.