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Finding the Third Proportional to 643,160.25 and 945,472.50

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Solution

The third proportional to 643,160.25 and 945,472.50 is: 1,389,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,160.25 : 945,472.50 = 945,472.50 : x
  2. Step 2: Convert to fraction form
    643,160.25/945,472.50 = 945,472.50/x
  3. Step 3: Cross multiply
    643,160.25x = 945,472.50 × 945,472.50
  4. Step 4: Simplify right side
    643,160.25x = 893,918,248,256.25
  5. Step 5: Solve for x
    x = 893,918,248,256.25/643,160.25
  6. Step 6: Final answer
    x = 1,389,884.17

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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.