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Finding the Third Proportional to 371,738 and 791,428

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Solution

The third proportional to 371,738 and 791,428 is: 1,684,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,738 : 791,428 = 791,428 : x
  2. Step 2: Convert to fraction form
    371,738/791,428 = 791,428/x
  3. Step 3: Cross multiply
    371,738x = 791,428 × 791,428
  4. Step 4: Simplify right side
    371,738x = 626,358,279,184
  5. Step 5: Solve for x
    x = 626,358,279,184/371,738
  6. Step 6: Final answer
    x = 1,684,945.52

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.