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Finding the Third Proportional to 1,517,973.75 and 2,170,720.69

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Solution

The third proportional to 1,517,973.75 and 2,170,720.69 is: 3,104,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,973.75 : 2,170,720.69 = 2,170,720.69 : x
  2. Step 2: Convert to fraction form
    1,517,973.75/2,170,720.69 = 2,170,720.69/x
  3. Step 3: Cross multiply
    1,517,973.75x = 2,170,720.69 × 2,170,720.69
  4. Step 4: Simplify right side
    1,517,973.75x = 4,712,028,303,140.47
  5. Step 5: Solve for x
    x = 4,712,028,303,140.47/1,517,973.75
  6. Step 6: Final answer
    x = 3,104,156.65

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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.