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Finding the Third Proportional to 631,319 and 1,521,435.50

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Solution

The third proportional to 631,319 and 1,521,435.50 is: 3,666,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,319 : 1,521,435.50 = 1,521,435.50 : x
  2. Step 2: Convert to fraction form
    631,319/1,521,435.50 = 1,521,435.50/x
  3. Step 3: Cross multiply
    631,319x = 1,521,435.50 × 1,521,435.50
  4. Step 4: Simplify right side
    631,319x = 2,314,765,980,660.25
  5. Step 5: Solve for x
    x = 2,314,765,980,660.25/631,319
  6. Step 6: Final answer
    x = 3,666,555.23

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.