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Finding the Third Proportional to 691,989.75 and 1,497,705.19

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Solution

The third proportional to 691,989.75 and 1,497,705.19 is: 3,241,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,989.75 : 1,497,705.19 = 1,497,705.19 : x
  2. Step 2: Convert to fraction form
    691,989.75/1,497,705.19 = 1,497,705.19/x
  3. Step 3: Cross multiply
    691,989.75x = 1,497,705.19 × 1,497,705.19
  4. Step 4: Simplify right side
    691,989.75x = 2,243,120,828,664.41
  5. Step 5: Solve for x
    x = 2,243,120,828,664.41/691,989.75
  6. Step 6: Final answer
    x = 3,241,552.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.