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Finding the Third Proportional to 916,603.59 and 1,346,812.31

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Solution

The third proportional to 916,603.59 and 1,346,812.31 is: 1,978,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,603.59 : 1,346,812.31 = 1,346,812.31 : x
  2. Step 2: Convert to fraction form
    916,603.59/1,346,812.31 = 1,346,812.31/x
  3. Step 3: Cross multiply
    916,603.59x = 1,346,812.31 × 1,346,812.31
  4. Step 4: Simplify right side
    916,603.59x = 1,813,903,405,101.60
  5. Step 5: Solve for x
    x = 1,813,903,405,101.60/916,603.59
  6. Step 6: Final answer
    x = 1,978,939.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.