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Finding the Third Proportional to 913,228.31 and 1,982,075.06

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Solution

The third proportional to 913,228.31 and 1,982,075.06 is: 4,301,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,228.31 : 1,982,075.06 = 1,982,075.06 : x
  2. Step 2: Convert to fraction form
    913,228.31/1,982,075.06 = 1,982,075.06/x
  3. Step 3: Cross multiply
    913,228.31x = 1,982,075.06 × 1,982,075.06
  4. Step 4: Simplify right side
    913,228.31x = 3,928,621,553,384.38
  5. Step 5: Solve for x
    x = 3,928,621,553,384.38/913,228.31
  6. Step 6: Final answer
    x = 4,301,905.12

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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.