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Finding the Third Proportional to 370,140 and 792,840

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Solution

The third proportional to 370,140 and 792,840 is: 1,698,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,140 : 792,840 = 792,840 : x
  2. Step 2: Convert to fraction form
    370,140/792,840 = 792,840/x
  3. Step 3: Cross multiply
    370,140x = 792,840 × 792,840
  4. Step 4: Simplify right side
    370,140x = 628,595,265,600
  5. Step 5: Solve for x
    x = 628,595,265,600/370,140
  6. Step 6: Final answer
    x = 1,698,263.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.