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Finding the Third Proportional to 371,640 and 560,940

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Solution

The third proportional to 371,640 and 560,940 is: 846,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,640 : 560,940 = 560,940 : x
  2. Step 2: Convert to fraction form
    371,640/560,940 = 560,940/x
  3. Step 3: Cross multiply
    371,640x = 560,940 × 560,940
  4. Step 4: Simplify right side
    371,640x = 314,653,683,600
  5. Step 5: Solve for x
    x = 314,653,683,600/371,640
  6. Step 6: Final answer
    x = 846,662.59

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.