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Finding the Third Proportional to 635,133 and 987,691.50

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Solution

The third proportional to 635,133 and 987,691.50 is: 1,535,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,133 : 987,691.50 = 987,691.50 : x
  2. Step 2: Convert to fraction form
    635,133/987,691.50 = 987,691.50/x
  3. Step 3: Cross multiply
    635,133x = 987,691.50 × 987,691.50
  4. Step 4: Simplify right side
    635,133x = 975,534,499,172.25
  5. Step 5: Solve for x
    x = 975,534,499,172.25/635,133
  6. Step 6: Final answer
    x = 1,535,953.10

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.